fix stock detail parse response item_values should be inited in for loop

Author: tigersk

tigeropen/quote/response/stock_details_response.py

@@ -113,8 +113,8 @@ def parse_response_content(self, response_content):
             return
         detail_data = []
         data_json = json.loads(self.data)
-        item_values = {}
         for item in data_json.get('items', {}):
+            item_values = dict()
             for key, value in item.items():
                 if value is None:
                     continue