Assorted pylint fixes

lib/ansible/modules/cloud/google/gce_instance_template.py

@@ -1,4 +1,6 @@
 #!/usr/bin/python
+# -*- coding: utf-8 -*-
+
 # Copyright: Ansible Project
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
@@ -416,7 +418,7 @@ def create_instance_template(module, gce):
             changed = True
         except GoogleBaseError as err:
             module.fail_json(
-                msg='Unexpected error attempting to create instance {}, error: {}'
+                msg='Unexpected error attempting to create instance {0}, error: {1}'
                 .format(
                     instance,
                     err.value