diff --git a/dangerzone/common.py b/dangerzone/common.py
index ef21b24..6d64c0c 100644
--- a/dangerzone/common.py
+++ b/dangerzone/common.py
@@ -5,6 +5,7 @@ import tempfile
 import appdirs
 import platform
 import subprocess
+import shlex
 from PyQt5 import QtGui
 
 if platform.system() == "Darwin":
diff --git a/dangerzone/settings_widget.py b/dangerzone/settings_widget.py
index bb29f11..346e12a 100644
--- a/dangerzone/settings_widget.py
+++ b/dangerzone/settings_widget.py
@@ -73,10 +73,12 @@ class SettingsWidget(QtWidgets.QWidget):
         # Layout
         layout = QtWidgets.QVBoxLayout()
         layout.addWidget(self.dangerous_doc_label)
+        layout.addSpacing(20)
         layout.addLayout(save_layout)
         layout.addLayout(open_layout)
         layout.addLayout(ocr_layout)
         layout.addLayout(update_layout)
+        layout.addSpacing(20)
         layout.addLayout(button_layout)
         layout.addStretch()
         self.setLayout(layout)
diff --git a/dangerzone/tasks_widget.py b/dangerzone/tasks_widget.py
index a894f64..d7cad13 100644
--- a/dangerzone/tasks_widget.py
+++ b/dangerzone/tasks_widget.py
@@ -1,6 +1,4 @@
 import shutil
-import shlex
-import subprocess
 import tempfile
 from PyQt5 import QtCore, QtGui, QtWidgets