Enable additional pylint rules and resolve issues found. (#47221)

* Resolve unneeded-not.
* Resolve global-at-module-level.
* Resolve useless-import-alias.
* Resolve bad-whitespace.
* Resolve global-variable-not-assigned.
* Resolve logging-not-lazy.
* Resolve comparison-with-itself.

test/units/modules/cloud/openstack/test_os_server.py

@@ -35,7 +35,7 @@ def params_from_doc(func):
     return cfg[0]['os_server']
 
 
-class FakeCloud (object):
+class FakeCloud(object):
     ports = [
         {'name': 'port1', 'id': '1234'},
         {'name': 'port2', 'id': '4321'},