removed no defined parebt

Author: HugoMario

modules/swagger-codegen/src/main/resources/python/model.mustache

@@ -9,7 +9,7 @@ import six
 
 {{#models}}
 {{#model}}
-class {{classname}}({{#parent}}{{parent}}{{/parent}}{{^parent}}object{{/parent}}):
+class {{classname}}(object):
     """NOTE: This class is auto generated by the swagger code generator program.
 
     Do not edit the class manually.