Flake8 support

Signed-off-by: Michal Čihař <michal@cihar.com>

tox.ini

+[flake8]
+
+max-complexity = 10
+exclude = migrations,south_migrations,settings.py,settings_test.py,settings_test_mysql.py,settings_test_postgresql.py,settings_test_sqlite.py,.git,test-repos,repos,settings_test_nose.py,docs

weblate/trans/models/__init__.py

@@ -24,19 +24,19 @@ import shutil
 from django.db.models.signals import post_delete, post_save
 from django.dispatch import receiver
 
-from weblate.trans.models.project import Project
-from weblate.trans.models.subproject import SubProject
-from weblate.trans.models.translation import Translation
-from weblate.trans.models.unit import Unit
-from weblate.trans.models.unitdata import (
+from weblate.trans.models.project import Project  # noqa
+from weblate.trans.models.subproject import SubProject  # noqa
+from weblate.trans.models.translation import Translation  # noqa
+from weblate.trans.models.unit import Unit  # noqa
+from weblate.trans.models.unitdata import (  # noqa
     Check, Suggestion, Comment, Vote
 )
-from weblate.trans.models.search import IndexUpdate
-from weblate.trans.models.changes import Change
-from weblate.trans.models.dictionary import Dictionary
-from weblate.trans.models.source import Source
-from weblate.trans.models.advertisement import Advertisement
-from weblate.trans.models.whiteboard import WhiteboardMessage
+from weblate.trans.models.search import IndexUpdate  # noqa
+from weblate.trans.models.changes import Change  # noqa
+from weblate.trans.models.dictionary import Dictionary  # noqa
+from weblate.trans.models.source import Source  # noqa
+from weblate.trans.models.advertisement import Advertisement  # noqa
+from weblate.trans.models.whiteboard import WhiteboardMessage  # noqa
 
 
 @receiver(post_delete, sender=Project)

weblate/trans/tests/__init__.py

@@ -20,6 +20,7 @@
 
 # Wildcard import
 # pylint: disable=W0401
+# flake8: noqa
 
 from weblate.trans.tests.test_diff import *
 from weblate.trans.tests.test_checks import *