fixed issue that query parameters double url encoded

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

@@ -19,6 +19,7 @@ NOTE: This class is auto generated by the swagger code generator program. Do not
 """
 import sys
 import os
+import urllib
 
 from models import *
 
@@ -78,6 +79,7 @@ class {{classname}}(object):
         {{#pathParams}}
         if ('{{paramName}}' in params):
             replacement = str(self.apiClient.toPathValue(params['{{paramName}}']))
+            replacement = urllib.quote(replacement)
             resourcePath = resourcePath.replace('{' + '{{baseName}}' + '}',
                                                 replacement)
         {{/pathParams}}