try to make pylint happy

tests/settings.py

@@ -0,0 +1,4 @@
+from pathlib import Path
+BASE_DIR = Path(__file__).resolve().parent
+
+SECRET_KEY = 'fake-key'

tests/test_suite.py

@@ -1,19 +1,19 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
 import datetime
-import django
 import os
 import shutil
 import sys
+import django
 from django.test.utils import get_runner
 
-#from dav_base.console_scripts.admin import DJANGO_MAIN_MODULE
-DJANGO_MAIN_MODULE = 'main'
 from dav_base.tests.utils import mkdtemp
 
+# from dav_base.console_scripts.admin import DJANGO_MAIN_MODULE
+DJANGO_MAIN_MODULE = 'main'
 
-class DjangoEnvironment(object):
+
+class DjangoEnvironment:
     @staticmethod
     def _install_djangoproject(path, modules=None):
         cmd = 'django-dav-admin setup "{}"'.format(path)
@@ -35,6 +35,8 @@ class DjangoEnvironment(object):
         else:
             self._enable_modules = []
 
+        self.settings = None
+
     def __enter__(self):
         if self.path is None:
             prefix = 'testrun-{datetime}-'.format(
@@ -51,7 +53,7 @@ class DjangoEnvironment(object):
         os.environ['DJANGO_SETTINGS_MODULE'] = '{}.settings'.format(DJANGO_MAIN_MODULE)
         django.setup()
 
-        from django.conf import settings
+        from django.conf import settings  # pylint: disable=import-outside-toplevel
         self.settings = settings
 
         return self
@@ -64,7 +66,7 @@ class DjangoEnvironment(object):
             shutil.rmtree(self.path)
 
 
-class TestSuite(object):
+class TestSuite:
     @staticmethod
     def run():
         modules = ['dav_auth', 'dav_events', 'dav_registration', 'dav_event_office']