Fix gate failures by a new pycodestyle

pycodestyle 2.5.0 introduces E117 over-indented.
This commit fixes E117 errors.

pycodestyle 2.5.0 also drops pep8.py. As a result,
horizon/test/unit/hacking/test_checks.py starts to fail.
The equivalent elements are provided by pycodestyle.py,
so we can consume pycodestyle instead of pep8 module.

Change-Id: Ib103998f42ce7c901a10669b771a898783ca1a92

horizon/forms/fields.py

@@ -288,7 +288,7 @@ class SelectWidget(widgets.Widget):
     def transform_option_label(self, option_label):
         if (not isinstance(option_label, (six.string_types, Promise)) and
                 callable(self.transform)):
-                    option_label = self.transform(option_label)
+            option_label = self.transform(option_label)
         return html.conditional_escape(force_text(option_label))
 
     def transform_option_html_attrs(self, option_label):

horizon/test/unit/forms/test_forms.py

@@ -58,14 +58,14 @@ class FormMixinTests(test.TestCase):
             self.assertNotIn('add_to_field', context)
 
     def test_template_name_change_based_on_ajax_request(self):
-            view = self._prepare_view(
-                forms.views.ModalFormView,
-                dict(HTTP_X_REQUESTED_WITH='XMLHttpRequest'))
-            self.assertEqual('_' + view.template_name,
-                             view.get_template_names())
+        view = self._prepare_view(
+            forms.views.ModalFormView,
+            dict(HTTP_X_REQUESTED_WITH='XMLHttpRequest'))
+        self.assertEqual('_' + view.template_name,
+                         view.get_template_names())
 
-            view = self._prepare_view(forms.views.ModalFormView, {})
-            self.assertEqual(view.template_name, view.get_template_names())
+        view = self._prepare_view(forms.views.ModalFormView, {})
+        self.assertEqual(view.template_name, view.get_template_names())
 
 
 class TestForm(forms.SelfHandlingForm):

horizon/test/unit/hacking/test_checks.py

@@ -15,7 +15,7 @@
 import textwrap
 
 import mock
-import pep8
+import pycodestyle
 
 from horizon.hacking import checks
 from horizon.test import helpers
@@ -80,14 +80,14 @@ class HackingTestCase(helpers.TestCase):
     # We are patching pep8 so that only the check under test is actually
     # installed.
 
-    @mock.patch('pep8._checks',
+    @mock.patch('pycodestyle._checks',
                 {'physical_line': {}, 'logical_line': {}, 'tree': {}})
     def _run_check(self, code, checker, filename=None):
-        pep8.register_check(checker)
+        pycodestyle.register_check(checker)
 
         lines = textwrap.dedent(code).strip().splitlines(True)
 
-        checker = pep8.Checker(filename=filename, lines=lines)
+        checker = pycodestyle.Checker(filename=filename, lines=lines)
         checker.check_all()
         checker.report._deferred_print.sort()
         return checker.report._deferred_print

horizon/utils/babel_extract_angular.py

@@ -73,14 +73,14 @@ class AngularGettextHTMLParser(html_parser.HTMLParser):
         self.line = self.getpos()[0]
         if tag == 'translate' or \
                 (attrs and 'translate' in [attr[0] for attr in attrs]):
-                self.in_translate = True
-                self.plural_form = ''
-                for attr, value in attrs:
-                    if attr == 'translate-plural':
-                        self.plural = True
-                        self.plural_form = value
-                    if attr == 'translate-comment':
-                        self.comments.append(value)
+            self.in_translate = True
+            self.plural_form = ''
+            for attr, value in attrs:
+                if attr == 'translate-plural':
+                    self.plural = True
+                    self.plural_form = value
+                if attr == 'translate-comment':
+                    self.comments.append(value)
         elif self.in_translate:
             s = tag
             if attrs:

openstack_dashboard/api/keystone.py

@@ -817,7 +817,7 @@ def get_project_users_roles(request, project):
             # filter by project_id
             if ('project' in role_assignment.scope and
                     role_assignment.scope['project']['id'] == project):
-                    users_roles[user_id].append(role_id)
+                users_roles[user_id].append(role_id)
     return users_roles
 
 

openstack_dashboard/dashboards/admin/volume_groups/tabs.py

@@ -24,4 +24,4 @@ class OverviewTab(volume_groups_tabs.OverviewTab):
 
 
 class GroupsDetailTabs(volume_groups_tabs.GroupsDetailTabs):
-        tabs = (OverviewTab,)
+    tabs = (OverviewTab,)

openstack_dashboard/test/integration_tests/pages/settings/changepasswordpage.py

@@ -20,33 +20,33 @@ from openstack_dashboard.test.integration_tests.regions import forms
 
 class ChangepasswordPage(basepage.BaseNavigationPage):
 
-        _password_form_locator = (by.By.ID, 'change_password_modal')
+    _password_form_locator = (by.By.ID, 'change_password_modal')
 
-        CHANGE_PASSWORD_FORM_FIELDS = ("current_password", "new_password",
-                                       "confirm_password")
+    CHANGE_PASSWORD_FORM_FIELDS = ("current_password", "new_password",
+                                   "confirm_password")
 
-        @property
-        def password_form(self):
-            src_elem = self._get_element(*self._password_form_locator)
-            return forms.FormRegion(
-                self.driver, self.conf, src_elem=src_elem,
-                field_mappings=self.CHANGE_PASSWORD_FORM_FIELDS)
+    @property
+    def password_form(self):
+        src_elem = self._get_element(*self._password_form_locator)
+        return forms.FormRegion(
+            self.driver, self.conf, src_elem=src_elem,
+            field_mappings=self.CHANGE_PASSWORD_FORM_FIELDS)
 
-        def change_password(self, current, new):
-            self.password_form.current_password.text = current
-            self.password_form.new_password.text = new
-            self.password_form.confirm_password.text = new
-            self.password_form.submit()
-            # NOTE(tsufiev): try to apply the same fix as Tempest did for the
-            # issue of Keystone Fernet tokens lacking sub-second precision
-            # (in which case it's possible to log in the same second that
-            # token was revoked due to password change), see bug 1473567
-            time.sleep(1)
+    def change_password(self, current, new):
+        self.password_form.current_password.text = current
+        self.password_form.new_password.text = new
+        self.password_form.confirm_password.text = new
+        self.password_form.submit()
+        # NOTE(tsufiev): try to apply the same fix as Tempest did for the
+        # issue of Keystone Fernet tokens lacking sub-second precision
+        # (in which case it's possible to log in the same second that
+        # token was revoked due to password change), see bug 1473567
+        time.sleep(1)
 
-        def reset_to_default_password(self, current):
-            if self.topbar.user.text == self.conf.identity.admin_username:
-                return self.change_password(current,
-                                            self.conf.identity.admin_password)
-            else:
-                return self.change_password(current,
-                                            self.conf.identity.password)
+    def reset_to_default_password(self, current):
+        if self.topbar.user.text == self.conf.identity.admin_username:
+            return self.change_password(current,
+                                        self.conf.identity.admin_password)
+        else:
+            return self.change_password(current,
+                                        self.conf.identity.password)