diff --git a/.fix-pylint-output-for-gitlab-ci.py b/.fix-pylint-output-for-gitlab-ci.py
index 5de8f06..be57399 100755
--- a/.fix-pylint-output-for-gitlab-ci.py
+++ b/.fix-pylint-output-for-gitlab-ci.py
@@ -1,10 +1,12 @@
 import re
 import sys
 
-def fix_output(matchobj):
-    return f'{matchobj.group(1)}{float(matchobj.group(2)) * 10}/{int(matchobj.group(3)) * 10}'
 
-pattern = re.compile(r'(Your code has been rated at )([0-9.]+)/(10)')
+def fix_output(matchobj):
+    return f"{matchobj.group(1)}{float(matchobj.group(2)) * 10}/{int(matchobj.group(3)) * 10}"
+
+
+pattern = re.compile(r"(Your code has been rated at )([0-9.]+)/(10)")
 for line in sys.stdin:
     line.rstrip()
-    print(re.sub(pattern, fix_output, line), end='')
+    print(re.sub(pattern, fix_output, line), end="")
diff --git a/alembic/env.py b/alembic/env.py
index 4f34ce8..2638877 100644
--- a/alembic/env.py
+++ b/alembic/env.py
@@ -51,10 +51,11 @@ def run_migrations_online() -> None:
     )
 
     with connectable.connect() as connection:
-        context.configure(connection=connection,
-                          target_metadata=target_metadata,
-                          render_as_batch=True,
-                          )
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            render_as_batch=True,
+        )
 
         with context.begin_transaction():
             context.run_migrations()
diff --git a/alembic/versions/1a3497f9f71b_adding_configcache_model.py b/alembic/versions/1a3497f9f71b_adding_configcache_model.py
index 66befb1..528bc7d 100644
--- a/alembic/versions/1a3497f9f71b_adding_configcache_model.py
+++ b/alembic/versions/1a3497f9f71b_adding_configcache_model.py
@@ -12,20 +12,21 @@ from alembic import op
 
 
 # revision identifiers, used by Alembic.
-revision: str = '1a3497f9f71b'
-down_revision: Union[str, None] = 'e99bc35702c9'
+revision: str = "1a3497f9f71b"
+down_revision: Union[str, None] = "e99bc35702c9"
 branch_labels: Union[str, Sequence[str], None] = None
 depends_on: Union[str, Sequence[str], None] = None
 
 
 def upgrade() -> None:
-    op.create_table('config_cache',
-        sa.Column('name', sa.String(), nullable=False),
-        sa.Column('val', sa.String(), nullable=False),
-        sa.Column('updated_at', sa.DateTime(), nullable=False),
-        sa.PrimaryKeyConstraint('name')
+    op.create_table(
+        "config_cache",
+        sa.Column("name", sa.String(), nullable=False),
+        sa.Column("val", sa.String(), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), nullable=False),
+        sa.PrimaryKeyConstraint("name"),
     )
 
 
 def downgrade() -> None:
-    op.drop_table('config_cache')
+    op.drop_table("config_cache")
diff --git a/alembic/versions/defda3f2952d_add_on_delete_cascade_to_results_task_id.py b/alembic/versions/defda3f2952d_add_on_delete_cascade_to_results_task_id.py
index 777cfa2..6767757 100644
--- a/alembic/versions/defda3f2952d_add_on_delete_cascade_to_results_task_id.py
+++ b/alembic/versions/defda3f2952d_add_on_delete_cascade_to_results_task_id.py
@@ -11,23 +11,23 @@ from alembic import op
 
 
 # revision identifiers, used by Alembic.
-revision: str = 'defda3f2952d'
-down_revision: Union[str, None] = '1a3497f9f71b'
+revision: str = "defda3f2952d"
+down_revision: Union[str, None] = "1a3497f9f71b"
 branch_labels: Union[str, Sequence[str], None] = None
 depends_on: Union[str, Sequence[str], None] = None
 
 
 def upgrade() -> None:
-    with op.batch_alter_table('results', schema=None) as batch_op:
-        batch_op.drop_constraint('results_task_id_fkey', type_='foreignkey')
-        batch_op.create_foreign_key('results_task_id_fkey',
-                                    'tasks',
-                                    ['task_id'],
-                                    ['id'],
-                                    ondelete='CASCADE')
+    with op.batch_alter_table("results", schema=None) as batch_op:
+        batch_op.drop_constraint("results_task_id_fkey", type_="foreignkey")
+        batch_op.create_foreign_key(
+            "results_task_id_fkey", "tasks", ["task_id"], ["id"], ondelete="CASCADE"
+        )
 
 
 def downgrade() -> None:
-    with op.batch_alter_table('results', schema=None) as batch_op:
-        batch_op.drop_constraint('results_task_id_fkey', type_='foreignkey')
-        batch_op.create_foreign_key('results_task_id_fkey', 'tasks', ['task_id'], ['id'])
+    with op.batch_alter_table("results", schema=None) as batch_op:
+        batch_op.drop_constraint("results_task_id_fkey", type_="foreignkey")
+        batch_op.create_foreign_key(
+            "results_task_id_fkey", "tasks", ["task_id"], ["id"]
+        )
diff --git a/alembic/versions/e99bc35702c9_add_severity_to_task_and_add_severity_.py b/alembic/versions/e99bc35702c9_add_severity_to_task_and_add_severity_.py
index 53c6d72..9f117aa 100644
--- a/alembic/versions/e99bc35702c9_add_severity_to_task_and_add_severity_.py
+++ b/alembic/versions/e99bc35702c9_add_severity_to_task_and_add_severity_.py
@@ -12,26 +12,27 @@ from alembic import op
 
 
 # revision identifiers, used by Alembic.
-revision: str = 'e99bc35702c9'
-down_revision: Union[str, None] = '7d480e6f1112'
+revision: str = "e99bc35702c9"
+down_revision: Union[str, None] = "7d480e6f1112"
 branch_labels: Union[str, Sequence[str], None] = None
 depends_on: Union[str, Sequence[str], None] = None
 
 
 def upgrade() -> None:
     op.execute("ALTER TYPE severity ADD VALUE 'unknown'")
-    op.add_column('tasks',
-                  sa.Column('severity',
-                            sa.Enum(
-                                'ok',
-                                'warning',
-                                'critical',
-                                'unknown',
-                                name='severity'),
-                  nullable=False))
-    op.add_column('tasks', sa.Column('last_severity_update', sa.DateTime(), nullable=True))
+    op.add_column(
+        "tasks",
+        sa.Column(
+            "severity",
+            sa.Enum("ok", "warning", "critical", "unknown", name="severity"),
+            nullable=False,
+        ),
+    )
+    op.add_column(
+        "tasks", sa.Column("last_severity_update", sa.DateTime(), nullable=True)
+    )
 
 
 def downgrade() -> None:
-    op.drop_column('tasks', 'last_severity_update')
-    op.drop_column('tasks', 'severity')
+    op.drop_column("tasks", "last_severity_update")
+    op.drop_column("tasks", "severity")
diff --git a/argos/checks/checks.py b/argos/checks/checks.py
index 3a11790..42a6848 100644
--- a/argos/checks/checks.py
+++ b/argos/checks/checks.py
@@ -20,7 +20,9 @@ class HTTPStatus(BaseCheck):
     async def run(self) -> dict:
         # XXX Get the method from the task
         task = self.task
-        response = await self.http_client.request(method="get", url=task.url, timeout=60)
+        response = await self.http_client.request(
+            method="get", url=task.url, timeout=60
+        )
 
         return self.response(
             status=response.status_code == self.expected,
@@ -36,7 +38,9 @@ class HTTPBodyContains(BaseCheck):
     expected_cls = ExpectedStringValue
 
     async def run(self) -> dict:
-        response = await self.http_client.request(method="get", url=self.task.url, timeout=60)
+        response = await self.http_client.request(
+            method="get", url=self.task.url, timeout=60
+        )
         return self.response(status=self.expected in response.text)
 
 
diff --git a/argos/commands.py b/argos/commands.py
index b90057a..156df73 100644
--- a/argos/commands.py
+++ b/argos/commands.py
@@ -136,8 +136,7 @@ async def cleandb(max_results, max_lock_seconds):
 @server.command()
 @coroutine
 async def reload_config():
-    """Read tasks config and add/delete tasks in database if needed
-    """
+    """Read tasks config and add/delete tasks in database if needed"""
     # The imports are made here otherwise the agent will need server configuration files.
     from argos.server import queries
     from argos.server.main import get_application, read_config
@@ -157,8 +156,7 @@ async def reload_config():
 @server.command()
 @coroutine
 async def migrate():
-    """Run database migrations
-    """
+    """Run database migrations"""
     # The imports are made here otherwise the agent will need server configuration files.
     from argos.server.settings import get_app_settings
 
diff --git a/argos/schemas/config.py b/argos/schemas/config.py
index 0ee5221..de69a05 100644
--- a/argos/schemas/config.py
+++ b/argos/schemas/config.py
@@ -103,14 +103,16 @@ class Service(BaseModel):
 
 class MailAuth(BaseModel):
     """Mail authentication configuration"""
+
     login: str
     password: str
 
 
 class Mail(BaseModel):
     """Mail configuration"""
+
     mailfrom: EmailStr
-    host: str = '127.0.0.1'
+    host: str = "127.0.0.1"
     port: PositiveInt = 25
     ssl: StrictBool = False
     starttls: StrictBool = False
diff --git a/argos/schemas/models.py b/argos/schemas/models.py
index 8d3f0f9..a297acf 100644
--- a/argos/schemas/models.py
+++ b/argos/schemas/models.py
@@ -13,6 +13,7 @@ from pydantic import BaseModel, ConfigDict
 
 class Task(BaseModel):
     """A task corresponds to a check to execute"""
+
     id: int
     url: str
     domain: str
@@ -32,6 +33,7 @@ class Task(BaseModel):
 
 class SerializableException(BaseModel):
     """Task exception"""
+
     error_message: str
     error_type: str
     error_details: str
@@ -47,6 +49,7 @@ class SerializableException(BaseModel):
 
 class AgentResult(BaseModel):
     """Task’s result sent by agent"""
+
     task_id: int
     # The on-check status means that the service needs to finish the check
     # and will then determine the severity.
diff --git a/argos/schemas/utils.py b/argos/schemas/utils.py
index 517a441..d3a2fc1 100644
--- a/argos/schemas/utils.py
+++ b/argos/schemas/utils.py
@@ -1,7 +1,9 @@
 from typing import Literal, Union
 
 
-def string_to_duration(value: str, target: Literal["days", "hours", "minutes"]) -> Union[int,float]:
+def string_to_duration(
+    value: str, target: Literal["days", "hours", "minutes"]
+) -> Union[int, float]:
     """Convert a string to a number of hours, days or minutes"""
     num = int("".join(filter(str.isdigit, value)))
 
diff --git a/argos/server/alerting.py b/argos/server/alerting.py
index de2584a..96f7965 100644
--- a/argos/server/alerting.py
+++ b/argos/server/alerting.py
@@ -13,26 +13,37 @@ from argos.schemas.config import Config, Mail, GotifyUrl
 # XXX Implement mail alerts https://framagit.org/framasoft/framaspace/argos/-/issues/15
 # XXX Implement gotify alerts https://framagit.org/framasoft/framaspace/argos/-/issues/16
 
+
 def handle_alert(config: Config, result, task, severity, old_severity, request):
     """Dispatch alert through configured alert channels"""
 
-    if 'local' in getattr(config.general.alerts, severity):
-        logger.error("Alerting stub: task=%i, status=%s, severity=%s",
-                     task.id,
-                     result.status,
-                     severity)
+    if "local" in getattr(config.general.alerts, severity):
+        logger.error(
+            "Alerting stub: task=%i, status=%s, severity=%s",
+            task.id,
+            result.status,
+            severity,
+        )
 
-    if config.general.mail is not None and \
-        'mail' in getattr(config.general.alerts, severity):
-        notify_by_mail(result, task, severity, old_severity, config.general.mail, request)
+    if config.general.mail is not None and "mail" in getattr(
+        config.general.alerts, severity
+    ):
+        notify_by_mail(
+            result, task, severity, old_severity, config.general.mail, request
+        )
 
-    if config.general.gotify is not None and \
-        'gotify' in getattr(config.general.alerts, severity):
-        notify_with_gotify(result, task, severity, old_severity, config.general.gotify, request)
+    if config.general.gotify is not None and "gotify" in getattr(
+        config.general.alerts, severity
+    ):
+        notify_with_gotify(
+            result, task, severity, old_severity, config.general.gotify, request
+        )
 
 
-def notify_by_mail(result, task, severity: str, old_severity: str, config: Mail, request) -> None:
-    logger.debug('Will send mail notification')
+def notify_by_mail(
+    result, task, severity: str, old_severity: str, config: Mail, request
+) -> None:
+    logger.debug("Will send mail notification")
 
     msg = f"""\
 URL:    {task.url}
@@ -50,50 +61,43 @@ Subject: [Argos] {urlparse(task.url).netloc}: status {severity}
 {msg}"""
 
     if config.ssl:
-        logger.debug('Mail notification: SSL')
+        logger.debug("Mail notification: SSL")
         context = ssl.create_default_context()
-        smtp = smtplib.SMTP_SSL(host=config.host,
-                                port=config.port,
-                                context=context)
+        smtp = smtplib.SMTP_SSL(host=config.host, port=config.port, context=context)
     else:
-        smtp = smtplib.SMTP(host=config.host,  # type: ignore
-                            port=config.port)
+        smtp = smtplib.SMTP(
+            host=config.host,  # type: ignore
+            port=config.port,
+        )
         if config.starttls:
-            logger.debug('Mail notification: STARTTLS')
+            logger.debug("Mail notification: STARTTLS")
             context = ssl.create_default_context()
             smtp.starttls(context=context)
 
     if config.auth is not None:
-        logger.debug('Mail notification: authentification')
-        smtp.login(config.auth.login,
-                   config.auth.password)
+        logger.debug("Mail notification: authentification")
+        smtp.login(config.auth.login, config.auth.password)
 
     for address in config.addresses:
-        logger.debug('Sending mail to %s', address)
+        logger.debug("Sending mail to %s", address)
         logger.debug(msg)
         smtp.sendmail(config.mailfrom, address, mail)
 
 
 def notify_with_gotify(
-    result,
-    task,
-    severity: str,
-    old_severity: str,
-    config: List[GotifyUrl],
-    request
+    result, task, severity: str, old_severity: str, config: List[GotifyUrl], request
 ) -> None:
-    logger.debug('Will send gotify notification')
-    headers = {'accept': 'application/json',
-               'content-type': 'application/json'}
+    logger.debug("Will send gotify notification")
+    headers = {"accept": "application/json", "content-type": "application/json"}
 
     priority = 9
-    icon = '❌'
+    icon = "❌"
     if severity == Severity.OK:
         priority = 1
-        icon = '✅'
+        icon = "✅"
     elif severity == Severity.WARNING:
         priority = 5
-        icon = '⚠️'
+        icon = "⚠️"
 
     subject = f"{icon} {urlparse(task.url).netloc}: status {severity}"
     msg = f"""\
@@ -106,20 +110,22 @@ Previous status: {old_severity}
 See results of task on {request.url_for('get_task_results_view', task_id=task.id)}
 """
 
-    payload = {'title': subject,
-               'message': msg,
-               'priority': priority}
+    payload = {"title": subject, "message": msg, "priority": priority}
 
     for url in config:
-        logger.debug('Sending gotify message(s) to %s', url)
+        logger.debug("Sending gotify message(s) to %s", url)
         for token in url.tokens:
             try:
-                res = httpx.post(f"{url.url}message",
-                                 params={'token': token},
-                                 headers=headers,
-                                 json=payload)
+                res = httpx.post(
+                    f"{url.url}message",
+                    params={"token": token},
+                    headers=headers,
+                    json=payload,
+                )
                 res.raise_for_status()
             except httpx.RequestError as err:
-                logger.error('An error occurred while sending a message to %s with token %s',
-                             err.request.url,
-                             token)
+                logger.error(
+                    "An error occurred while sending a message to %s with token %s",
+                    err.request.url,
+                    token,
+                )
diff --git a/argos/server/main.py b/argos/server/main.py
index 45c2c5f..7c583a0 100644
--- a/argos/server/main.py
+++ b/argos/server/main.py
@@ -41,6 +41,7 @@ def create_start_app_handler(appli):
     """Warmup the server:
     setup database connection
     """
+
     async def _get_db():
         setup_database(appli)
 
@@ -58,6 +59,7 @@ def create_stop_app_handler(appli):
     """Gracefully shutdown the server:
     close database connection.
     """
+
     async def stop_app():
         appli.state.db.close()
 
@@ -72,7 +74,7 @@ def read_config(appli, settings):
     except ValidationError as err:
         logger.error("Errors where found while reading configuration:")
         for error in err.errors():
-            logger.error("%s is %s", error['loc'], error['type'])
+            logger.error("%s is %s", error["loc"], error["type"])
         sys.exit(1)
 
 
@@ -90,16 +92,13 @@ def setup_database(appli):
     if settings.db_max_overflow:
         extra_settings.setdefault("max_overflow", settings.db_max_overflow)
 
-    engine = create_engine(
-        settings.database_url,
-        **extra_settings
-    )
+    engine = create_engine(settings.database_url, **extra_settings)
 
     def _fk_pragma_on_connect(dbapi_con, con_record):
-        dbapi_con.execute('pragma foreign_keys=ON')
+        dbapi_con.execute("pragma foreign_keys=ON")
 
     if settings.database_url.startswith("sqlite:////"):
-        event.listen(engine, 'connect', _fk_pragma_on_connect)
+        event.listen(engine, "connect", _fk_pragma_on_connect)
 
     appli.state.SessionLocal = sessionmaker(
         autocommit=False, autoflush=False, bind=engine
diff --git a/argos/server/models.py b/argos/server/models.py
index 866ccd6..c0c3d01 100644
--- a/argos/server/models.py
+++ b/argos/server/models.py
@@ -43,13 +43,15 @@ class Task(Base):
 
     severity: Mapped[Literal["ok", "warning", "critical", "unknown"]] = mapped_column(
         Enum("ok", "warning", "critical", "unknown", name="severity"),
-        insert_default="unknown"
+        insert_default="unknown",
     )
     last_severity_update: Mapped[datetime] = mapped_column(nullable=True)
 
-    results: Mapped[List["Result"]] = relationship(back_populates="task",
-                                                   cascade="all, delete",
-                                                   passive_deletes=True,)
+    results: Mapped[List["Result"]] = relationship(
+        back_populates="task",
+        cascade="all, delete",
+        passive_deletes=True,
+    )
 
     def __str__(self):
         return f"DB Task {self.url} - {self.check} - {self.expected}"
@@ -92,6 +94,7 @@ class Result(Base):
     The status is "Was the agent able to do the check?" while the severity
     depends on the return value of the check.
     """
+
     __tablename__ = "results"
     id: Mapped[int] = mapped_column(primary_key=True)
     task_id: Mapped[int] = mapped_column(ForeignKey("tasks.id", ondelete="CASCADE"))
@@ -115,6 +118,7 @@ class Result(Base):
     def __str__(self):
         return f"DB Result {self.id} - {self.status} - {self.context}"
 
+
 class ConfigCache(Base):
     """Contains some informations on the previous config state
 
@@ -126,6 +130,7 @@ class ConfigCache(Base):
                          comparison without looping through all websites
                          ex: 8b886e7db7b553fe99f6d5437f31745987e243c77b2109b84cf9a7f8bf7d75b1
     """
+
     __tablename__ = "config_cache"
     name: Mapped[str] = mapped_column(primary_key=True)
     val: Mapped[str] = mapped_column()
diff --git a/argos/server/queries.py b/argos/server/queries.py
index 742c516..cfb3f68 100644
--- a/argos/server/queries.py
+++ b/argos/server/queries.py
@@ -65,20 +65,17 @@ async def count_results(db: Session):
 async def has_config_changed(db: Session, config: schemas.Config) -> bool:
     """Check if websites config has changed by using a hashsum and a config cache"""
     websites_hash = sha256(str(config.websites).encode()).hexdigest()
-    conf_caches = (
-        db.query(ConfigCache)
-        .all()
-    )
+    conf_caches = db.query(ConfigCache).all()
     same_config = True
     if conf_caches:
         for conf in conf_caches:
-            match (conf.name):
-                case 'websites_hash':
+            match conf.name:
+                case "websites_hash":
                     if conf.val != websites_hash:
                         same_config = False
                         conf.val = websites_hash
                         conf.updated_at = datetime.now()
-                case 'general_frequency':
+                case "general_frequency":
                     if conf.val != str(config.general.frequency):
                         same_config = False
                         conf.val = config.general.frequency
@@ -91,14 +88,12 @@ async def has_config_changed(db: Session, config: schemas.Config) -> bool:
 
     else:  # no config cache found
         web_hash = ConfigCache(
-                name='websites_hash',
-                val=websites_hash,
-                updated_at=datetime.now()
+            name="websites_hash", val=websites_hash, updated_at=datetime.now()
         )
         gen_freq = ConfigCache(
-                name='general_frequency',
-                val=str(config.general.frequency),
-                updated_at=datetime.now()
+            name="general_frequency",
+            val=str(config.general.frequency),
+            updated_at=datetime.now(),
         )
         db.add(web_hash)
         db.add(gen_freq)
@@ -111,11 +106,10 @@ async def update_from_config(db: Session, config: schemas.Config):
     """Update tasks from config file"""
     config_changed = await has_config_changed(db, config)
     if not config_changed:
-        return {'added': 0, 'vanished': 0}
+        return {"added": 0, "vanished": 0}
 
     max_task_id = (
-        db.query(func.max(Task.id).label('max_id')) #  pylint: disable-msg=not-callable
-        .all()
+        db.query(func.max(Task.id).label("max_id")).all()  #  pylint: disable-msg=not-callable
     )[0].max_id
     tasks = []
     unique_properties = []
@@ -143,9 +137,14 @@ async def update_from_config(db: Session, config: schemas.Config):
 
                     if frequency != existing_task.frequency:
                         existing_task.frequency = frequency
-                    logger.debug("Skipping db task creation for url=%s, " \
-                                 "check_key=%s, expected=%s, frequency=%s.",
-                                 url, check_key, expected, frequency)
+                    logger.debug(
+                        "Skipping db task creation for url=%s, "
+                        "check_key=%s, expected=%s, frequency=%s.",
+                        url,
+                        check_key,
+                        expected,
+                        frequency,
+                    )
 
                 else:
                     properties = (url, check_key, expected)
@@ -168,23 +167,22 @@ async def update_from_config(db: Session, config: schemas.Config):
     if max_task_id:
         vanished_tasks = (
             db.query(Task)
-            .filter(
-                Task.id <= max_task_id,
-                Task.id.not_in(seen_tasks)
-            ).delete()
+            .filter(Task.id <= max_task_id, Task.id.not_in(seen_tasks))
+            .delete()
         )
         db.commit()
-        logger.info("%i tasks has been removed since not in config file anymore", vanished_tasks)
-        return {'added': len(tasks), 'vanished': vanished_tasks}
+        logger.info(
+            "%i tasks has been removed since not in config file anymore", vanished_tasks
+        )
+        return {"added": len(tasks), "vanished": vanished_tasks}
 
-    return {'added': len(tasks), 'vanished': 0}
+    return {"added": len(tasks), "vanished": 0}
 
 
 async def get_severity_counts(db: Session) -> dict:
     """Get the severities (ok, warning, critical…) and their count"""
-    query = (
-        db.query(Task.severity, func.count(Task.id).label("count"))  # pylint: disable-msg=not-callable
-        .group_by(Task.severity)
+    query = db.query(Task.severity, func.count(Task.id).label("count")).group_by(  # pylint: disable-msg=not-callable
+        Task.severity
     )
 
     # Execute the query and fetch the results
@@ -198,9 +196,9 @@ async def get_severity_counts(db: Session) -> dict:
 
 async def reschedule_all(db: Session):
     """Reschedule checks of all non OK tasks ASAP"""
-    db.query(Task) \
-    .filter(Task.severity.in_(['warning', 'critical', 'unknown'])) \
-    .update({Task.next_run: datetime.now() - timedelta(days=1)})
+    db.query(Task).filter(Task.severity.in_(["warning", "critical", "unknown"])).update(
+        {Task.next_run: datetime.now() - timedelta(days=1)}
+    )
     db.commit()
 
 
@@ -216,7 +214,7 @@ async def remove_old_results(db: Session, max_results: int):
             .limit(max_results)
             .subquery()
         )
-        min_id = db.query(func.min(subquery.c.id)).scalar() #  pylint: disable-msg=not-callable
+        min_id = db.query(func.min(subquery.c.id)).scalar()  #  pylint: disable-msg=not-callable
 
         # Delete all the results older than min_id
         if min_id:
diff --git a/argos/server/routes/api.py b/argos/server/routes/api.py
index 4a316b7..a23e830 100644
--- a/argos/server/routes/api.py
+++ b/argos/server/routes/api.py
@@ -18,7 +18,7 @@ async def read_tasks(
     request: Request,
     db: Session = Depends(get_db),
     limit: int = 10,
-    agent_id: Union[None,str] = None,
+    agent_id: Union[None, str] = None,
 ):
     """Return a list of tasks to execute"""
     agent_id = agent_id or request.client.host
@@ -32,7 +32,7 @@ async def create_results(
     results: List[AgentResult],
     db: Session = Depends(get_db),
     config: Config = Depends(get_config),
-    agent_id: Union[None,str] = None,
+    agent_id: Union[None, str] = None,
 ):
     """Get the results from the agents and store them locally.
 
@@ -67,18 +67,15 @@ async def create_results(
     return {"result_ids": [r.id for r in db_results]}
 
 
-@route.post("/reschedule/all",
-            responses={
-                200: {
-                    "content": {
-                        "application/json": {
-                            "example": {
-                                "msg": "Non OK tasks reschuled"
-                            }
-                        }
-                    }
-                }
+@route.post(
+    "/reschedule/all",
+    responses={
+        200: {
+            "content": {
+                "application/json": {"example": {"msg": "Non OK tasks reschuled"}}
             }
+        }
+    },
 )
 async def reschedule_all(request: Request, db: Session = Depends(get_db)):
     """Reschedule checks of all non OK tasks ASAP"""
@@ -86,20 +83,21 @@ async def reschedule_all(request: Request, db: Session = Depends(get_db)):
     return {"msg": "Non OK tasks reschuled"}
 
 
-@route.get("/stats",
-           responses={
-               200: {
-                   "content": {
-                       "application/json": {
-                           "example": {
-                               "upcoming_tasks_count":0,
-                               "results_count":1993085,
-                               "selected_tasks_count":1845
-                           }
-                       }
-                   }
-               }
-           }
+@route.get(
+    "/stats",
+    responses={
+        200: {
+            "content": {
+                "application/json": {
+                    "example": {
+                        "upcoming_tasks_count": 0,
+                        "results_count": 1993085,
+                        "selected_tasks_count": 1845,
+                    }
+                }
+            }
+        }
+    },
 )
 async def get_stats(db: Session = Depends(get_db)):
     """Get tasks statistics"""
@@ -110,18 +108,17 @@ async def get_stats(db: Session = Depends(get_db)):
     }
 
 
-@route.get("/severities",
-           responses={
-               200: {
-                   "content": {
-                       "application/json": {
-                           "example": {
-                               "ok":1541,"warning":0,"critical":0,"unknown":0
-                           }
-                       }
-                   }
-               }
-           }
+@route.get(
+    "/severities",
+    responses={
+        200: {
+            "content": {
+                "application/json": {
+                    "example": {"ok": 1541, "warning": 0, "critical": 0, "unknown": 0}
+                }
+            }
+        }
+    },
 )
 async def get_severity_counts(db: Session = Depends(get_db)):
     """Returns the number of results per severity"""
diff --git a/argos/server/routes/views.py b/argos/server/routes/views.py
index 1c3339c..88343ea 100644
--- a/argos/server/routes/views.py
+++ b/argos/server/routes/views.py
@@ -16,12 +16,7 @@ from argos.server.routes.dependencies import get_config, get_db
 route = APIRouter()
 
 templates = Jinja2Templates(directory="argos/server/templates")
-SEVERITY_LEVELS = {
-    "ok": 1,
-    "warning": 2,
-    "critical": 3,
-    "unknown": 4
-}
+SEVERITY_LEVELS = {"ok": 1, "warning": 2, "critical": 3, "unknown": 4}
 
 
 @route.get("/")
@@ -29,7 +24,7 @@ async def get_severity_counts_view(
     request: Request,
     db: Session = Depends(get_db),
     refresh: bool = False,
-    delay: int = 15
+    delay: int = 15,
 ):
     """Shows the number of results per severity"""
     counts_dict = await queries.get_severity_counts(db)
@@ -62,7 +57,7 @@ async def get_domains_view(request: Request, db: Session = Depends(get_db)):
         if task.last_severity_update is not None:
             domains_last_checks[domain] = task.last_severity_update
         else:
-            domains_last_checks[domain] = 'Waiting to be checked'
+            domains_last_checks[domain] = "Waiting to be checked"
 
     def _max_severity(severities):
         return max(severities, key=SEVERITY_LEVELS.get)
@@ -100,14 +95,16 @@ async def get_domain_tasks_view(
     request: Request, domain: str, db: Session = Depends(get_db)
 ):
     """Show all tasks attached to a domain"""
-    tasks = db.query(Task).filter(Task.domain.contains(f'//{domain}')).all()
+    tasks = db.query(Task).filter(Task.domain.contains(f"//{domain}")).all()
     return templates.TemplateResponse(
         "domain.html", {"request": request, "domain": domain, "tasks": tasks}
     )
 
 
 @route.get("/result/{result_id}")
-async def get_result_view(request: Request, result_id: int, db: Session = Depends(get_db)):
+async def get_result_view(
+    request: Request, result_id: int, db: Session = Depends(get_db)
+):
     """Show the details of a result"""
     result = db.query(Result).get(result_id)
     return templates.TemplateResponse(
@@ -146,7 +143,7 @@ async def get_task_results_view(
 async def get_agents_view(request: Request, db: Session = Depends(get_db)):
     """Show argos agents and the last time the server saw them"""
     last_seen = (
-        db.query(Result.agent_id, func.max(Result.submitted_at).label('submitted_at'))
+        db.query(Result.agent_id, func.max(Result.submitted_at).label("submitted_at"))
         .group_by(Result.agent_id)
         .all()
     )
diff --git a/argos/server/settings.py b/argos/server/settings.py
index 0465f77..501cae9 100644
--- a/argos/server/settings.py
+++ b/argos/server/settings.py
@@ -2,7 +2,7 @@
 import os
 from functools import lru_cache
 from os import environ
-from typing import Optional,Union
+from typing import Optional, Union
 
 import yaml
 from pydantic_settings import BaseSettings, SettingsConfigDict
@@ -25,6 +25,7 @@ class DevSettings(Settings):
 
     Uses config.yaml as config file.
     Uses a SQLite database."""
+
     app_env: str = "dev"
     yaml_file: str = "config.yaml"
     db_pool_size: Optional[int] = None
@@ -37,6 +38,7 @@ class TestSettings(Settings):
 
     Uses tests/config.yaml as config file.
     Uses a SQLite database."""
+
     app_env: str = "test"
     yaml_file: str = "tests/config.yaml"
     database_url: str = "sqlite:////tmp/test-argos.db"
@@ -46,6 +48,7 @@ class TestSettings(Settings):
 
 class ProdSettings(Settings):
     """Settings for prod environment."""
+
     app_env: str = "prod"
     db_pool_size: Optional[int] = 10
     db_max_overflow: Optional[int] = 20
@@ -59,7 +62,7 @@ environments = {
 
 
 @lru_cache()
-def get_app_settings() -> Union[None,Settings]:
+def get_app_settings() -> Union[None, Settings]:
     """Load settings depending on the environment"""
     app_env = environ.get("ARGOS_APP_ENV", "dev")
     settings = environments.get(app_env)
@@ -79,5 +82,5 @@ def _load_yaml(filename):
         loader_class=yaml.FullLoader, base_dir=base_dir
     )
 
-    with open(filename, "r", encoding='utf-8') as stream:
+    with open(filename, "r", encoding="utf-8") as stream:
         return yaml.load(stream, Loader=yaml.FullLoader)
diff --git a/docs/conf.py b/docs/conf.py
index b23766f..08bc07f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -33,4 +33,4 @@ html_sidebars = {
 
 html_theme = "shibuya"
 html_static_path = ["_static"]
-html_css_files = ['fonts.css']
+html_css_files = ["fonts.css"]
diff --git a/tests/test_queries.py b/tests/test_queries.py
index d92c750..0fc7c26 100644
--- a/tests/test_queries.py
+++ b/tests/test_queries.py
@@ -99,9 +99,7 @@ async def test_update_from_config_db_can_remove_duplicates_and_old_tasks(
             dict(
                 path="https://another-example.com", checks=[{task.check: task.expected}]
             ),
-            dict(
-                path=task.url, checks=[{task.check: task.expected}]
-            ),
+            dict(path=task.url, checks=[{task.check: task.expected}]),
         ],
     )
     empty_config.websites = [website]
@@ -140,7 +138,9 @@ async def test_update_from_config_db_updates_existing_tasks(db, empty_config, ta
 
 
 @pytest.mark.asyncio
-async def test_reschedule_all(db, ten_tasks, ten_warning_tasks, ten_critical_tasks, ten_ok_tasks):
+async def test_reschedule_all(
+    db, ten_tasks, ten_warning_tasks, ten_critical_tasks, ten_ok_tasks
+):
     assert db.query(Task).count() == 40
     assert db.query(Task).filter(Task.severity == "unknown").count() == 10
     assert db.query(Task).filter(Task.severity == "warning").count() == 10
@@ -260,7 +260,7 @@ def ten_warning_tasks(db):
             expected="foo",
             frequency=1,
             next_run=now,
-            severity="warning"
+            severity="warning",
         )
         db.add(task)
         tasks.append(task)
@@ -280,7 +280,7 @@ def ten_critical_tasks(db):
             expected="foo",
             frequency=1,
             next_run=now,
-            severity="critical"
+            severity="critical",
         )
         db.add(task)
         tasks.append(task)
@@ -300,7 +300,7 @@ def ten_ok_tasks(db):
             expected="foo",
             frequency=1,
             next_run=now,
-            severity="ok"
+            severity="ok",
         )
         db.add(task)
         tasks.append(task)