Fix misc. linter errors due to the flake8-3.8.1 release

- [Ref] https://flake8.pycqa.org/en/latest/release-notes/

awx/asgi.py

@@ -4,12 +4,11 @@ import os
 import logging
 import django
 from awx import __version__ as tower_version
-
 # Prepare the AWX environment.
 from awx import prepare_env, MODE
+from channels.routing import get_default_application  # noqa
 prepare_env() # NOQA
 
-from channels.routing import get_default_application
 
 
 """

awx/main/management/commands/callback_stats.py

@@ -34,7 +34,7 @@ class Command(BaseCommand):
                 if clear:
                     for i in range(12):
                         sys.stdout.write('\x1b[1A\x1b[2K')
-                for l in lines:
-                    print(l)
+                for line in lines:
+                    print(line)
                 clear = True
                 time.sleep(.25)

awx/main/models/inventory.py

@@ -2624,22 +2624,22 @@ class satellite6(PluginFileInjector):
             "environment":           {"prefix": "foreman_environment_",
                                       "separator": "",
                                       "key": "foreman['environment_name'] | lower | regex_replace(' ', '') | "
-                                             "regex_replace('[^A-Za-z0-9\_]', '_') | regex_replace('none', '')"},  # NOQA: W605
+                                             "regex_replace('[^A-Za-z0-9_]', '_') | regex_replace('none', '')"},
             "location":              {"prefix": "foreman_location_",
                                       "separator": "",
-                                      "key": "foreman['location_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9\_]', '_')"},
+                                      "key": "foreman['location_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9_]', '_')"},
             "organization":          {"prefix": "foreman_organization_",
                                       "separator": "",
-                                      "key": "foreman['organization_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9\_]', '_')"},
+                                      "key": "foreman['organization_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9_]', '_')"},
             "lifecycle_environment": {"prefix": "foreman_lifecycle_environment_",
                                       "separator": "",
                                       "key": "foreman['content_facet_attributes']['lifecycle_environment_name'] | "
-                                             "lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9\_]', '_')"},
+                                             "lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9_]', '_')"},
             "content_view":          {"prefix": "foreman_content_view_",
                                       "separator": "",
                                       "key": "foreman['content_facet_attributes']['content_view_name'] | "
-                                             "lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9\_]', '_')"}
-            }
+                                             "lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9_]', '_')"}
+        }
 
         ret['legacy_hostvars'] = True  # convert hostvar structure to the form used by the script
         ret['want_params'] = True

awx/main/scheduler/dag_simple.py

@@ -152,8 +152,8 @@ class SimpleDAG(object):
             return self._get_children_by_label(this_ord, label)
         else:
             nodes = []
-            for l in self.node_from_edges_by_label.keys():
-                nodes.extend(self._get_children_by_label(this_ord, l))
+            for label_obj in self.node_from_edges_by_label.keys():
+                nodes.extend(self._get_children_by_label(this_ord, label_obj))
             return nodes
 
     def _get_parents_by_label(self, node_index, label):
@@ -168,8 +168,8 @@ class SimpleDAG(object):
             return self._get_parents_by_label(this_ord, label)
         else:
             nodes = []
-            for l in self.node_to_edges_by_label.keys():
-                nodes.extend(self._get_parents_by_label(this_ord, l))
+            for label_obj in self.node_to_edges_by_label.keys():
+                nodes.extend(self._get_parents_by_label(this_ord, label_obj))
             return nodes
 
     def get_root_nodes(self):

awx/main/signals.py

@@ -150,9 +150,9 @@ def rbac_activity_stream(instance, sender, **kwargs):
 
 
 def cleanup_detached_labels_on_deleted_parent(sender, instance, **kwargs):
-    for l in instance.labels.all():
-        if l.is_candidate_for_detach():
-            l.delete()
+    for label in instance.labels.all():
+        if label.is_candidate_for_detach():
+            label.delete()
 
 
 def save_related_job_templates(sender, instance, **kwargs):
@@ -393,7 +393,7 @@ def activity_stream_create(sender, instance, created, **kwargs):
                 '{} ({})'.format(c.name, c.id)
                 for c in instance.credentials.iterator()
             ]
-            changes['labels'] = [l.name for l in instance.labels.iterator()]
+            changes['labels'] = [label.name for label in instance.labels.iterator()]
             if 'extra_vars' in changes:
                 changes['extra_vars'] = instance.display_extra_vars()
         if type(instance) == OAuth2AccessToken:

awx/main/tests/data/inventory/plugins/satellite6/files/foreman.yml

@@ -3,19 +3,19 @@ compose:
   ansible_ssh_host: foreman['ip6'] | default(foreman['ip'], true)
 group_prefix: foo_group_prefix
 keyed_groups:
-- key: foreman['environment_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9\_]', '_') | regex_replace('none', '')
+- key: foreman['environment_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9_]', '_') | regex_replace('none', '')
   prefix: foreman_environment_
   separator: ''
-- key: foreman['location_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9\_]', '_')
+- key: foreman['location_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9_]', '_')
   prefix: foreman_location_
   separator: ''
-- key: foreman['organization_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9\_]', '_')
+- key: foreman['organization_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9_]', '_')
   prefix: foreman_organization_
   separator: ''
-- key: foreman['content_facet_attributes']['lifecycle_environment_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9\_]', '_')
+- key: foreman['content_facet_attributes']['lifecycle_environment_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9_]', '_')
   prefix: foreman_lifecycle_environment_
   separator: ''
-- key: foreman['content_facet_attributes']['content_view_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9\_]', '_')
+- key: foreman['content_facet_attributes']['content_view_name'] | lower | regex_replace(' ', '') | regex_replace('[^A-Za-z0-9_]', '_')
   prefix: foreman_content_view_
   separator: ''
 - key: '"%s-%s-%s" | format(app, tier, color)'

awx/main/tests/factories/tower.py

@@ -319,11 +319,11 @@ def create_organization(name, roles=None, persisted=True, **kwargs):
     users = generate_users(org, teams, False, persisted, users=kwargs.get('users'))
 
     if 'labels' in kwargs:
-        for l in kwargs['labels']:
-            if type(l) is Label:
-                labels[l.name] = l
+        for label_obj in kwargs['labels']:
+            if type(label_obj) is Label:
+                labels[label_obj.name] = label_obj
             else:
-                labels[l] = mk_label(l, organization=org, persisted=persisted)
+                labels[label_obj] = mk_label(label_obj, organization=org, persisted=persisted)
 
     if 'notification_templates' in kwargs:
         for nt in kwargs['notification_templates']:

awx/main/tests/functional/analytics/test_collectors.py

@@ -88,7 +88,7 @@ def test_copy_tables_unified_job_query(
     with tempfile.TemporaryDirectory() as tmpdir:
         collectors.copy_tables(time_start, tmpdir, subset="unified_jobs")
         with open(os.path.join(tmpdir, "unified_jobs_table.csv")) as f:
-            lines = "".join([l for l in f])
+            lines = "".join([line for line in f])
 
             assert project_update_name in lines
             assert inventory_update_name in lines
@@ -139,9 +139,9 @@ def test_copy_tables_workflow_job_node_query(sqlite_copy_expert, workflow_job):
             reader = csv.reader(f)
             # Pop the headers
             next(reader)
-            lines = [l for l in reader]
+            lines = [line for line in reader]
 
-            ids = [int(l[0]) for l in lines]
+            ids = [int(line[0]) for line in lines]
 
             assert ids == list(
                 workflow_job.workflow_nodes.all().values_list("id", flat=True)

awx/main/tests/functional/commands/test_secret_key_regeneration.py

@@ -65,6 +65,7 @@ class TestKeyRegeneration:
         assert nc['token'].startswith(PREFIX)
 
         Slack = nt.CLASS_FOR_NOTIFICATION_TYPE[nt.notification_type]
+
         class TestBackend(Slack):
 
             def __init__(self, *args, **kw):

awx/main/tests/functional/test_dispatch.py

@@ -18,6 +18,8 @@ from awx.main.dispatch.worker import BaseWorker, TaskWorker
 '''
 Prevent logger.<warn, debug, error> calls from triggering database operations
 '''
+
+
 @pytest.fixture(autouse=True)
 def _disable_database_settings(mocker):
     m = mocker.patch('awx.conf.settings.SettingsWrapper.all_supported_settings', new_callable=mock.PropertyMock)

awx/settings/defaults.py

@@ -247,7 +247,7 @@ TEMPLATES = [
             'loaders': [(
                 'django.template.loaders.cached.Loader',
                 ('django.template.loaders.filesystem.Loader',
-                'django.template.loaders.app_directories.Loader',),
+                 'django.template.loaders.app_directories.Loader',),
             )],
             'builtins': ['awx.main.templatetags.swagger'],
         },