Diverse Code Cleanups

*Code wurde PEP-8 gerecht formatiert
* Kleine Fehler die der PyCharm Inspector beanstandet wurden korrigiert

content/management/commands/importgalleries.py

@@ -1,16 +1,17 @@
 # -*- coding: utf-8 -*-
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.core.management.base import BaseCommand
 from django.utils.datetime_safe import datetime
 from events.models import Event, Location
-import xlrd  # @UnresolvedImport
+import xlrd
 
 
 class Command(BaseCommand):
     help = "Importiert die alten Events"  # @ReservedAssignment
 
     def __init__(self):
-        self.author = User.objects.get(username="xeniac")
+        self.author = get_user_model().objects.get(username="xeniac")
+        super(Command, self).__init__()
 
     def handle(self, *args, **options):
         try:
@@ -22,16 +23,15 @@ class Command(BaseCommand):
 
         table = xls_file.sheet_by_index(0)
         for row in xrange(1, table.nrows):
-
             name = table.cell_value(row, 0)
             print name
 
             start = xlrd.xldate_as_tuple(table.cell_value(row, 1),
-                xls_file.datemode)
+                                         xls_file.datemode)
             start = datetime(start[0], start[1], start[2], 0, 0, 0)
 
             end = xlrd.xldate_as_tuple(table.cell_value(row, 2),
-                xls_file.datemode)
+                                       xls_file.datemode)
             end = datetime(end[0], end[1], end[2], 23, 59, 59)
 
             location = Location.objects.get(pk=table.cell_value(row, 3))