fix lint

Author: billbsing

convex_api/convex_api.py

@@ -266,10 +266,8 @@ def _transaction_query(self, address, transaction, language=None):
         logger.debug(f'_transaction_query repsonse {result}')
         if 'error-code' in result:
             raise ConvexAPIError('_transaction_query', result['error-code'], result['value'])
-
         return result
 
-
     @property
     def language(self):
         return self._language