[Fixes GeoNode#10574] Code formatting with Black (GeoNode#10575)

* auto reformatting by black

* relax flake8

* Add black to requirements

* Add black to CircleCI

Author: giohappy

.circleci/config.yml

@@ -88,8 +88,9 @@ jobs:
                 working_directory: ./
                 no_output_timeout: 10m
             - run:
-                name: Run pep8 checks
+                name: Run code quality checks
                 command: |
+                  docker-compose -f docker-compose-test.yml exec django bash -c 'black --check geonode'
                   docker-compose -f docker-compose-test.yml exec django bash -c 'flake8 geonode'
                   docker-compose -f docker-compose-test.yml exec django bash -c 'codecov; bash <(curl -s https://codecov.io/bash) -t 2c0e7780-1640-45f0-93a3-e103b057d8c8'
                 working_directory: ./

geonode/__init__.py

@@ -19,24 +19,27 @@
 
 import os
 
-__version__ = (4, 1, 0, 'dev', 0)
+__version__ = (4, 1, 0, "dev", 0)
 
 
 default_app_config = "geonode.apps.AppConfig"
 
 
 def get_version():
     import geonode.version
+
     return geonode.version.get_version(__version__)
 
 
 def main(global_settings, **settings):
     from django.core.wsgi import get_wsgi_application
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', settings.get('django_settings'))
+
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", settings.get("django_settings"))
     app = get_wsgi_application()
     return app
 
 
 class GeoNodeException(Exception):
     """Base class for exceptions in this module."""
+
     pass