fix schemas six is not defined

gusibi · gusibi · commit c82f5499fc1e · 2018-06-28T10:45:03.000+08:00
diff --git a/.gitignore b/.gitignore
@@ -106,4 +106,5 @@ pip-selfcheck.json
 *.swp
 example-app
 
+.DS_Store
 # End of https://www.gitignore.io/api/python
diff --git a/swagger_py_codegen/templates/sanic/schemas.tpl b/swagger_py_codegen/templates/sanic/schemas.tpl
@@ -3,6 +3,7 @@
 # TODO: datetime support
 
 {% include '_do_not_change.tpl' %}
+import six
 
 base_path = '{{base_path}}'
 
