PEP8 fixes and ignores

tox -e flake8 now returns w/o errors

Author: jwhitlock

simple_history/admin.py

@@ -143,7 +143,8 @@ def history_form_view(self, request, object_id, version_id):
             'has_absolute_url': False,
             'form_url': '',
             'opts': model._meta,
-            'content_type_id': ContentType.objects.get_for_model(self.model).id,
+            'content_type_id': ContentType.objects.get_for_model(
+                self.model).id,
             'save_as': self.save_as,
             'save_on_top': self.save_on_top,
             'root_path': getattr(self.admin_site, 'root_path', None),

simple_history/models.py

@@ -29,7 +29,8 @@
 except ImportError:
     pass
 else:
-    add_introspection_rules([], ["^simple_history.models.CustomForeignKeyField"])
+    add_introspection_rules(
+        [], ["^simple_history.models.CustomForeignKeyField"])
 from .manager import HistoryDescriptor
 
 registered_models = {}

simple_history/tests/migration_test_app/migrations/0001_initial.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+# flake8: noqa
 from __future__ import unicode_literals
 
 from django.db import models, migrations