fixes for isort and flake8

.editorconfig

@@ -0,0 +1,14 @@
+# http://editorconfig.org
+
+root = true
+
+[*]
+insert_final_newline = true
+trim_trailing_whitespace = true
+end_of_line = lf
+charset = utf-8
+
+[*.py]
+indent_style = space
+indent_size = 4
+max_line_length = 119

.gitignore

@@ -3,4 +3,5 @@
 .coverage
 /build/
 /dist/
-/django_groupadmin_users.egg-info/
+/django_groupadmin_users.egg-info/
+/.tox/

groupadmin_users/admin.py

@@ -3,7 +3,6 @@
 
 from groupadmin_users.forms import GroupAdminForm
 
-
 # Unregister the original Group admin.
 admin.site.unregister(Group)
 
@@ -15,5 +14,6 @@ class GroupAdmin(admin.ModelAdmin):
     # Filter permissions horizontal as well.
     filter_horizontal = ['permissions']
 
+
 # Register the new Group ModelAdmin.
 admin.site.register(Group, GroupAdmin)

groupadmin_users/forms.py

@@ -1,9 +1,8 @@
 # Code from https://stackoverflow.com/a/39648244/593907
 # modified according to https://docs.djangoproject.com/en/1.11/topics/forms/modelforms/#the-save-method  # noqa
-from django import forms, VERSION
-from django.contrib import admin
-from django.contrib.auth import get_user_model
+from django import VERSION, forms
 from django.contrib.admin.widgets import FilteredSelectMultiple
+from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group
 from django.utils.translation import ugettext_lazy as _
 
@@ -18,11 +17,11 @@ class Meta:
 
     # Add the users field.
     users = forms.ModelMultipleChoiceField(
-         queryset=User.objects.all(),
-         required=False,
-         # Use the pretty 'filter_horizontal widget'.
-         widget=FilteredSelectMultiple('users', False),
-         label=_('Users'),
+        queryset=User.objects.all(),
+        required=False,
+        # Use the pretty 'filter_horizontal widget'.
+        widget=FilteredSelectMultiple('users', False),
+        label=_('Users'),
     )
 
     def __init__(self, *args, **kwargs):

setup.cfg

@@ -0,0 +1,26 @@
+[flake8]
+ignore = D203,C0111,W503
+exclude = .git,*migrations/*.py
+max-line-length = 119
+select = C,E,F,W,B
+
+[isort]
+line_length=119
+wrap_length=119
+skip_glob=*migrations/*.py
+default_section = THIRDPARTY
+include_trailing_comma = True
+known_first_party = groupadmin_users, tests
+known_django = django
+known_django_extra =
+sections = FUTURE,STDLIB,THIRDPARTY,DJANGO,DJANGO_EXTRA,FIRSTPARTY,LOCALFOLDER
+
+[coverage:report]
+precision = 2
+
+[coverage:run]
+omit =
+    django_project/asgi.py
+    django_project/wsgi.py
+    manage.py
+    setup.py

setup.py

@@ -1,6 +1,6 @@
 from distutils.core import setup
-from setuptools import find_packages
 
+from setuptools import find_packages
 
 VERSION = '0.3.3'
 

tests/tests.py

@@ -1,6 +1,6 @@
 from django import VERSION
 from django.contrib.admin.sites import AdminSite
-from django.contrib.auth.models import User, Group
+from django.contrib.auth.models import Group, User
 from django.test import TestCase
 
 from groupadmin_users.admin import GroupAdmin