support map type response for python client

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

@@ -168,6 +168,11 @@ class ApiClient(object):
         sub_class = match.group(1)
         return [self.deserialize(sub_obj, sub_class) for sub_obj in obj]
 
+      if 'dict(' in obj_class:
+        match = re.match('dict\((.*), (.*)\)', obj_class)
+        sub_class = match.group(2)
+        return {k: self.deserialize(v, sub_class) for k, v in iteritems(obj)}
+
       if obj_class in ['int', 'float', 'dict', 'list', 'str', 'bool', 'datetime']:
         obj_class = eval(obj_class)
       else:  # not a native type, must be model class