diff --git a/src/c3nav/access/forms.py b/src/c3nav/access/forms.py
index 0dbb34e9..6e4ee83d 100644
--- a/src/c3nav/access/forms.py
+++ b/src/c3nav/access/forms.py
@@ -1,6 +1,5 @@
 from django.forms import ModelForm, MultipleChoiceField
 from django.utils.translation import ugettext_lazy as _
-from django.utils.translation import ungettext_lazy
 
 from c3nav.access.models import AccessToken, AccessUser
 from c3nav.mapdata.models import AreaLocation
diff --git a/src/c3nav/mapdata/api.py b/src/c3nav/mapdata/api.py
index dce08724..69ed66a6 100644
--- a/src/c3nav/mapdata/api.py
+++ b/src/c3nav/mapdata/api.py
@@ -7,9 +7,7 @@ from collections import OrderedDict
 from django.conf import settings
 from django.core.files import File
 from django.http import Http404, HttpResponse, HttpResponseNotModified
-from django.http import HttpResponseBadRequest
-from django.views.decorators.csrf import csrf_exempt
-from rest_framework.decorators import detail_route, list_route, api_view
+from rest_framework.decorators import detail_route, list_route
 from rest_framework.response import Response
 from rest_framework.viewsets import ReadOnlyModelViewSet, ViewSet
 
@@ -19,8 +17,8 @@ from c3nav.mapdata.models import GEOMETRY_MAPITEM_TYPES, AreaLocation, Level, Lo
 from c3nav.mapdata.models.geometry import DirectedLineGeometryMapItemWithLevel
 from c3nav.mapdata.search import get_location
 from c3nav.mapdata.serializers.main import LevelSerializer, PackageSerializer, SourceSerializer
-from c3nav.mapdata.utils.cache import (CachedReadOnlyViewSetMixin, cache_mapdata_api_response, get_levels_cached,
-                                       get_packages_cached, get_bssid_areas_cached)
+from c3nav.mapdata.utils.cache import (CachedReadOnlyViewSetMixin, cache_mapdata_api_response, get_bssid_areas_cached,
+                                       get_levels_cached, get_packages_cached)
 
 
 class GeometryTypeViewSet(ViewSet):
@@ -217,6 +215,6 @@ class LocationViewSet(ViewSet):
             if area_name is not None:
                 location = get_location(request, area_name)
                 if location is not None:
-                    return Response({'location': location.to_location_json()});
+                    return Response({'location': location.to_location_json()})
 
         return Response({'location': None})
diff --git a/src/c3nav/mapdata/utils/cache.py b/src/c3nav/mapdata/utils/cache.py
index 65447f3c..471b857c 100644
--- a/src/c3nav/mapdata/utils/cache.py
+++ b/src/c3nav/mapdata/utils/cache.py
@@ -1,9 +1,9 @@
 from calendar import timegm
 from collections import OrderedDict
-from django.db.models import Q
 from functools import wraps
 
 from django.core.cache import cache
+from django.db.models import Q
 from django.utils.http import http_date
 from rest_framework.response import Response as APIResponse
 from rest_framework.views import APIView
diff --git a/src/c3nav/routing/api.py b/src/c3nav/routing/api.py
index 666bbe62..a605bbfc 100644
--- a/src/c3nav/routing/api.py
+++ b/src/c3nav/routing/api.py
@@ -7,9 +7,7 @@ from collections import OrderedDict
 from django.conf import settings
 from django.core.files import File
 from django.http import Http404, HttpResponse, HttpResponseNotModified
-from django.http import HttpResponseBadRequest
-from django.views.decorators.csrf import csrf_exempt
-from rest_framework.decorators import detail_route, list_route, api_view
+from rest_framework.decorators import detail_route, list_route
 from rest_framework.response import Response
 from rest_framework.viewsets import ReadOnlyModelViewSet, ViewSet
 
@@ -19,8 +17,8 @@ from c3nav.mapdata.models import GEOMETRY_MAPITEM_TYPES, AreaLocation, Level, Lo
 from c3nav.mapdata.models.geometry import DirectedLineGeometryMapItemWithLevel
 from c3nav.mapdata.search import get_location
 from c3nav.mapdata.serializers.main import LevelSerializer, PackageSerializer, SourceSerializer
-from c3nav.mapdata.utils.cache import (CachedReadOnlyViewSetMixin, cache_mapdata_api_response, get_levels_cached,
-                                       get_packages_cached, get_bssid_areas_cached)
+from c3nav.mapdata.utils.cache import (CachedReadOnlyViewSetMixin, cache_mapdata_api_response, get_bssid_areas_cached,
+                                       get_levels_cached, get_packages_cached)
 
 
 class RoutingmetryTypeViewSet(ViewSet):
@@ -217,6 +215,6 @@ class LocationViewSet(ViewSet):
             if area_name is not None:
                 location = get_location(request, area_name)
                 if location is not None:
-                    return Response({'location': location.to_location_json()});
+                    return Response({'location': location.to_location_json()})
 
         return Response({'location': None})
diff --git a/src/c3nav/routing/graph.py b/src/c3nav/routing/graph.py
index 14360910..0fd3a2f4 100644
--- a/src/c3nav/routing/graph.py
+++ b/src/c3nav/routing/graph.py
@@ -286,7 +286,7 @@ class Graph:
             if not len(orig_points_i) or not len(dest_points_i):
                 raise AlreadyThere()
 
-        #if set(orig_points_i) & set(dest_points_i):
+        # if set(orig_points_i) & set(dest_points_i):
         #    raise AlreadyThere()
 
         add_orig_point = origin if isinstance(origin, PointLocation) else None
diff --git a/src/c3nav/routing/route.py b/src/c3nav/routing/route.py
index ed3d36a5..f66d8872 100644
--- a/src/c3nav/routing/route.py
+++ b/src/c3nav/routing/route.py
@@ -1,6 +1,5 @@
-from collections import OrderedDict
-
 import copy
+from collections import OrderedDict
 
 import numpy as np
 from django.utils.translation import ugettext_lazy as _
diff --git a/src/c3nav/site/views.py b/src/c3nav/site/views.py
index dba0809a..49fb9935 100644
--- a/src/c3nav/site/views.py
+++ b/src/c3nav/site/views.py
@@ -2,8 +2,7 @@ from datetime import timedelta
 
 import qrcode
 from django.core.files import File
-from django.http import Http404, HttpResponse, HttpResponseNotModified
-from django.http import JsonResponse
+from django.http import Http404, HttpResponse, HttpResponseNotModified, JsonResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
 from django.utils import timezone