Fix linters

Change-Id: Ide46cd2379d6ba32c844a9779ecfd32faead7b35

bowling_ball/rolling_restart.py

@@ -154,5 +154,6 @@ def main():
 
     rolling_restart(containers, inventory, wait)
 
+
 if __name__ == "__main__":
     main()

leap-upgrades/upgrade-utilities-liberty/scripts/add_new_neutron_env.py

@@ -41,6 +41,7 @@ def add_new_dict_data(original, new):
 
         add_new_dict_data(original[key], new[key])
 
+
 if __name__ == '__main__':
 
     repo_root = sys.argv[1]

leap-upgrades/upgrade-utilities-liberty/scripts/fix_ceilometer_env.py

@@ -40,6 +40,7 @@ def clean_vars():
         f.write(yaml.safe_dump(environment, default_flow_style=False,
                                width=1000))
 
+
 if __name__ == '__main__':
     clean_vars()
     with open('/etc/openstack_deploy.KILO/CEILOMETER_MIGRATED', 'w') as f:

leap-upgrades/upgrade-utilities-liberty/scripts/migrate_openstack_vars.py

@@ -79,6 +79,7 @@ def main(filename):
     with open(filename, 'w') as f:
         f.write(''.join(new_contents))
 
+
 if __name__ == '__main__':
     if len(sys.argv) < 3:
         sys.exit("Filename and flag file reference required.")

leap-upgrades/upgrade-utilities-mitaka/scripts/migrate_openstack_vars.py

@@ -57,6 +57,7 @@ def main(filename):
     with open(filename, 'w') as f:
         f.write(''.join(new_contents))
 
+
 if __name__ == '__main__':
     if len(sys.argv) < 3:
         sys.exit("Filename and flag file reference required.")

leap-upgrades/upgrade-utilities-newton/scripts/migrate_openstack_vars.py

@@ -57,6 +57,7 @@ def main(filename):
     with open(filename, 'w') as f:
         f.write(''.join(new_contents))
 
+
 if __name__ == '__main__':
     if len(sys.argv) < 3:
         sys.exit("Filename and flag file reference required.")