Fix some flake8 warnings

fix and enable:
- E121 continuation line under-indented for hanging indent
- E126 continuation line over-indented for hanging indent
- E226 missing whitespace around arithmetic operator
- H306  imports not in alphabetical order
- H401  docstring should not start with a space

Change-Id: I1dab6908652924931e750187380d153d64eba2b6

adjutant_ui/api/adjutant.py

@@ -74,16 +74,16 @@ QUOTA_TASK = collections.namedtuple(
 # IMPORTANT_QUOTAS = {<service>: [<quota_name>], }
 IMPORTANT_QUOTAS = {
     'nova': [
-         'instances', 'cores', 'ram',
+        'instances', 'cores', 'ram',
     ],
     'cinder': [
         'volumes', 'snapshots', 'gigabytes',
     ],
     'neutron': [
-         'network', 'floatingip', 'router', 'security_group',
+        'network', 'floatingip', 'router', 'security_group',
     ],
     'octavia': [
-         'load_balancer',
+        'load_balancer',
     ],
 }
 
@@ -511,18 +511,18 @@ def task_obj_get(request, task_id=None, task=None, page=0):
     valid = False not in [action['valid'] for
                           action in task['actions']]
     return TASK(
-            id=task['uuid'],
-            task_type=task['task_type'],
-            valid=valid,
-            request_by=task['keystone_user'].get('username', '-'),
-            request_project=task['keystone_user'].get('project_name', '-'),
-            status=status,
-            created_on=task['created_on'],
-            approved_on=task['approved_on'],
-            completed_on=task['completed_on'],
-            actions=task['actions'],
-            page=page
-        )
+        id=task['uuid'],
+        task_type=task['task_type'],
+        valid=valid,
+        request_by=task['keystone_user'].get('username', '-'),
+        request_project=task['keystone_user'].get('project_name', '-'),
+        status=status,
+        created_on=task['created_on'],
+        approved_on=task['approved_on'],
+        completed_on=task['completed_on'],
+        actions=task['actions'],
+        page=page
+    )
 
 
 def task_cancel(request, task_id):
@@ -615,7 +615,7 @@ def quota_sizes_get(request, region=None):
 
 
 def size_details_get(request, size, region=None):
-    """ Gets the current details of the size as well as the current region's
+    """Gets the current details of the size as well as the current region's
     quota
     """
     quota_details = []
@@ -636,7 +636,7 @@ def size_details_get(request, size, region=None):
             usage = resp['regions'][0]['current_usage'][service].get(
                 resource)
             try:
-                percent = float(usage)/value
+                percent = float(usage) / value
             except (TypeError, ZeroDivisionError):
                 percent = '-'
 
@@ -670,7 +670,7 @@ def quota_details_get(request, region):
                 value = 'No Limit'
             usage = resp['regions'][0]['current_usage'][service].get(name)
             try:
-                percent = float(usage)/value
+                percent = float(usage) / value
             except (TypeError, ZeroDivisionError):
                 percent = '-'
 

adjutant_ui/content/notifications/tabs.py

@@ -17,9 +17,9 @@ from django.utils.translation import ugettext_lazy as _
 from horizon import exceptions
 from horizon import tabs
 
-from adjutant_ui.content.notifications import tables as notification_tables
 from adjutant_ui.api import adjutant
 from adjutant_ui.api.adjutant import AdjutantApiError
+from adjutant_ui.content.notifications import tables as notification_tables
 
 
 class UnacknowledgedNotificationsTab(tabs.TableTab):
@@ -47,8 +47,8 @@ class UnacknowledgedNotificationsTab(tabs.TableTab):
                 self._page = 1
                 notifications, self._prev, self._more = \
                     adjutant.notification_list(
-                            self.request, filters=self.filters,
-                            page=self._page)
+                        self.request, filters=self.filters,
+                        page=self._page)
             except Exception:
                 exceptions.handle(
                     self.request, _('Failed to list notifications.'))

adjutant_ui/content/notifications/views.py

@@ -16,14 +16,14 @@ from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 
 from horizon import exceptions
-from horizon import views
 from horizon import tabs
+from horizon import views
 
 from horizon.utils import memoized
 
-from adjutant_ui.content.notifications import tabs as notification_tab
-from adjutant_ui.content.notifications import tables as notification_tables
 from adjutant_ui.api import adjutant
+from adjutant_ui.content.notifications import tables as notification_tables
+from adjutant_ui.content.notifications import tabs as notification_tab
 
 
 class IndexView(tabs.TabbedTableView):

adjutant_ui/content/quota/views.py

@@ -20,9 +20,9 @@ from horizon import exceptions
 from horizon import forms
 from horizon import tables as horizon_tables
 
+from adjutant_ui.api import adjutant
 from adjutant_ui.content.quota import forms as quota_forms
 from adjutant_ui.content.quota import tables as quota_tables
-from adjutant_ui.api import adjutant
 
 
 class IndexView(horizon_tables.MultiTableView):

adjutant_ui/content/tasks/tabs.py

@@ -17,8 +17,8 @@ from django.utils.translation import ugettext_lazy as _
 from horizon import exceptions
 from horizon import tabs
 
-from adjutant_ui.content.tasks import tables as task_tables
 from adjutant_ui.api import adjutant
+from adjutant_ui.content.tasks import tables as task_tables
 
 
 class ActiveTaskListTab(tabs.TableTab):

adjutant_ui/content/tasks/views.py

@@ -21,10 +21,10 @@ from horizon import tabs
 
 from horizon.utils import memoized
 
-from adjutant_ui.content.tasks import tables as task_tables
-from adjutant_ui.content.tasks import forms as task_forms
-from adjutant_ui.content.tasks import tabs as task_tabs
 from adjutant_ui.api import adjutant
+from adjutant_ui.content.tasks import forms as task_forms
+from adjutant_ui.content.tasks import tables as task_tables
+from adjutant_ui.content.tasks import tabs as task_tabs
 
 import json
 

tox.ini

@@ -55,8 +55,8 @@ commands = python setup.py build_sphinx
 
 [flake8]
 exclude = .venv,.git,.tox,dist,*lib/python*,*egg,build,panel_template,dash_template,local_settings.py,*/local/*,*/test/test_plugins/*,.ropeproject,node_modules
-# these are currently not passing, should be removed once code is changed
-ignore = E121,E126,E226,F405,H102,H301,H306,H401,H405,H701,H702
+# These are currently not passing, should be removed once code is changed
+ignore = F405,H102,H301,H405,H701,H702
 max-complexity = 20
 
 [hacking]