diff --git a/sohstationviewer.py b/sohstationviewer.py
index 06924283afe8dcfaf0488b6426070bac23b19245..db43d6719cd02cf4b1216ab104172f4a5609b797 100644
--- a/sohstationviewer.py
+++ b/sohstationviewer.py
@@ -1,5 +1,7 @@
 import sys
+
 from PySide2 import QtWidgets
+
 from sohstationviewer.view.mainwindow import MainWindow
 
 
diff --git a/sohstationviewer/view/calendardialog.py b/sohstationviewer/view/calendardialog.py
index b5c839fa28ab81f49b40ef4c53981067a002e635..0303bce3a98955f7759085a1e5b7ab11435b1120 100644
--- a/sohstationviewer/view/calendardialog.py
+++ b/sohstationviewer/view/calendardialog.py
@@ -1,4 +1,5 @@
 from PySide2 import QtWidgets
+
 from sohstationviewer.view.ui.calendar_ui import Ui_CalendarDialog
 
 
diff --git a/sohstationviewer/view/mainwindow.py b/sohstationviewer/view/mainwindow.py
index ecb8c98f7b39913fe02892d35f45522cdad80138..a1a2fe96fc29bd23415b30cf5595f241a456ab3c 100755
--- a/sohstationviewer/view/mainwindow.py
+++ b/sohstationviewer/view/mainwindow.py
@@ -1,5 +1,7 @@
 import pathlib
+
 from PySide2 import QtCore, QtGui, QtWidgets
+
 from sohstationviewer.view.ui.main_ui import Ui_MainWindow
 from sohstationviewer.view.calendardialog import CalendarDialog
 from sohstationviewer.view.calendarwidget import CalendarWidget