Support ASGI (#258)

* Support ASGI

* Add parenthesis to fix syntax error

* Fix parentheses again

* Fix flake8 issues

Author: sanmai-NL

pylint_django/augmentations/__init__.py

@@ -743,7 +743,8 @@ def wrap_func(*args, **kwargs):
 def is_wsgi_application(node):
     frame = node.frame()
     return node.name == 'application' and isinstance(frame, Module) and \
-        (frame.name == 'wsgi' or frame.path[0].endswith('wsgi.py') or frame.file.endswith('wsgi.py'))
+        (frame.name == 'asgi' or frame.path[0].endswith('asgi.py') or frame.file.endswith('asgi.py') or
+         frame.name == 'wsgi' or frame.path[0].endswith('wsgi.py') or frame.file.endswith('wsgi.py'))
 
 
 # Compat helpers