diff --git a/boards/views/authors.py b/boards/views/authors.py
--- a/boards/views/authors.py
+++ b/boards/views/authors.py
@@ -3,6 +3,7 @@ from django.shortcuts import render
 from boards.authors import authors
 from boards.views.base import BaseBoardView
 
+
 class AuthorsView(BaseBoardView):
 
     def get(self, request):
diff --git a/boards/views/ban.py b/boards/views/ban.py
--- a/boards/views/ban.py
+++ b/boards/views/ban.py
@@ -1,8 +1,10 @@
 from django.db import transaction
+from django.shortcuts import get_object_or_404
 
 from boards.views.base import BaseBoardView
 from boards.models import Post, Ban
 
+
 class BanUserView(BaseBoardView):
 
     @transaction.atomic
diff --git a/boards/views/delete_post.py b/boards/views/delete_post.py
--- a/boards/views/delete_post.py
+++ b/boards/views/delete_post.py
@@ -5,6 +5,7 @@ from boards.views.base import BaseBoardV
 from boards.views.redirect_next_mixin import RedirectNextMixin
 from boards.models import Post
 
+
 class DeletePostView(BaseBoardView, RedirectNextMixin):
 
     @transaction.atomic
diff --git a/boards/views/not_found.py b/boards/views/not_found.py
--- a/boards/views/not_found.py
+++ b/boards/views/not_found.py
@@ -2,10 +2,11 @@ from django.shortcuts import render
 
 from boards.views.base import BaseBoardView
 
+
 class NotFoundView(BaseBoardView):
-    '''
+    """
     Page 404 (not found)
-    '''
+    """
 
     def get(self, request):
         context = self.get_context_data(request=request)
diff --git a/boards/views/redirect_next_mixin.py b/boards/views/redirect_next_mixin.py
--- a/boards/views/redirect_next_mixin.py
+++ b/boards/views/redirect_next_mixin.py
@@ -1,6 +1,7 @@
 from django.shortcuts import redirect
 from django.http import HttpResponseRedirect
 
+
 class RedirectNextMixin:
 
     def redirect_to_next(self, request):
diff --git a/boards/views/settings.py b/boards/views/settings.py
--- a/boards/views/settings.py
+++ b/boards/views/settings.py
@@ -5,6 +5,7 @@ from boards.views.base import BaseBoardV
 from boards.forms import SettingsForm, ModeratorSettingsForm, PlainErrorList
 from boards.views import SETTING_MODERATE
 
+
 class SettingsView(BaseBoardView):
 
     def get(self, request):
@@ -15,9 +16,10 @@ class SettingsView(BaseBoardView):
         selected_theme = context['theme']
 
         if is_moderator:
-            form = ModeratorSettingsForm(initial={'theme': selected_theme,
-                                                  'moderate': context['moderator']},
-                                         error_class=PlainErrorList)
+            form = ModeratorSettingsForm(initial={
+                'theme': selected_theme,
+                'moderate': context['moderator']
+            }, error_class=PlainErrorList)
         else:
             form = SettingsForm(initial={'theme': selected_theme},
                                 error_class=PlainErrorList)
diff --git a/boards/views/thread.py b/boards/views/thread.py
--- a/boards/views/thread.py
+++ b/boards/views/thread.py
@@ -116,6 +116,6 @@ class ThreadView(BaseBoardView, PostMixi
 
         if html_response:
             if opening_post:
-                return redirect(reverse('thread',
-                            kwargs={'post_id': thread_to_show}) + '#'
-                                + str(post.id))
+                return redirect(reverse(
+                    'thread',
+                    kwargs={'post_id': thread_to_show}) + '#' + str(post.id))