Set black target to python3.6

Makefile

@@ -46,7 +46,7 @@ test: install-dev ## Run the tests
 
 .PHONY: black
 black: install-dev ## Run the tests
-	$(VENV)/bin/black --target-version=py34 .
+	$(VENV)/bin/black --target-version=py36 .
 
 .PHONY: isort
 isort: install-dev ## Run the tests

ihatemoney/migrations/env.py

@@ -77,7 +77,7 @@ def run_migrations_online():
         target_metadata=target_metadata,
         include_object=include_object,
         process_revision_directives=process_revision_directives,
-        **current_app.extensions["migrate"].configure_args
+        **current_app.extensions["migrate"].configure_args,
     )
 
     try:

ihatemoney/patch_sqlalchemy_continuum.py

@@ -96,7 +96,7 @@ class PatchedRelationShipBuilder(RelationshipBuilder):
                         association_col
                         == self.association_version_table.c[association_col.name]
                         for association_col in association_cols
-                    ]
+                    ],
                 )
             )
             .group_by(*association_cols)

ihatemoney/run.py

@@ -170,7 +170,7 @@ def create_app(
             number,
             currency if currency != CurrencyConverter.no_currency else "",
             *args,
-            **kwargs
+            **kwargs,
         ).strip()
 
     app.jinja_env.filters["currency"] = currency

tox.ini

@@ -22,7 +22,7 @@ changedir = {toxinidir}
 
 [testenv:black]
 commands =
-    black --check --target-version=py34 .
+    black --check --target-version=py36 .
     isort -c -rc .
 changedir = {toxinidir}