Remove unnecessary back slash

If a statement is not long enough, it's not
necessary to split it into two lines with a back
slash, this is to remove the unnecessary back slash.

Change-Id: I0e15e8cc6eb138925d409f664871d7792d2d4e3c

tempest/api/compute/security_groups/test_security_groups.py

@@ -52,8 +52,7 @@ class SecurityGroupsTestJSON(base.BaseSecurityGroupsTest):
             self.client.wait_for_resource_deletion(sg['id'])
         # Now check if all the created Security Groups are deleted
         fetched_list = self.client.list_security_groups()['security_groups']
-        deleted_sgs = \
-            [sg for sg in security_group_list if sg in fetched_list]
+        deleted_sgs = [sg for sg in security_group_list if sg in fetched_list]
         self.assertFalse(deleted_sgs,
                          "Failed to delete Security Group %s "
                          "list" % ', '.join(m_group['name']

tempest/api/identity/admin/v3/test_tokens.py

@@ -161,16 +161,14 @@ class TokensV3TestJSON(base.BaseIdentityV3AdminTest):
                                 manager_project_id]
 
         # Get available project scopes
-        available_projects =\
-            self.client.list_auth_projects()['projects']
+        available_projects = self.client.list_auth_projects()['projects']
 
         # create list to save fetched project's id
         fetched_project_ids = [i['id'] for i in available_projects]
 
         # verifying the project ids in list
         missing_project_ids = \
-            [p for p in assigned_project_ids
-             if p not in fetched_project_ids]
+            [p for p in assigned_project_ids if p not in fetched_project_ids]
         self.assertEmpty(missing_project_ids,
                          "Failed to find project_id %s in fetched list" %
                          ', '.join(missing_project_ids))

tempest/api/identity/v3/test_projects.py

@@ -24,8 +24,7 @@ class IdentityV3ProjectsTest(base.BaseIdentityV3Test):
 
     @decorators.idempotent_id('86128d46-e170-4644-866a-cc487f699e1d')
     def test_list_projects_returns_only_authorized_projects(self):
-        alt_project_name =\
-            self.os_alt.credentials.project_name
+        alt_project_name = self.os_alt.credentials.project_name
         resp = self.non_admin_users_client.list_user_projects(
             self.os_primary.credentials.user_id)