diff --git a/libraries/botbuilder-core/botbuilder/core/adapters/test_adapter.py b/libraries/botbuilder-core/botbuilder/core/adapters/test_adapter.py
index ac22db53d..41bcb3e50 100644
--- a/libraries/botbuilder-core/botbuilder/core/adapters/test_adapter.py
+++ b/libraries/botbuilder-core/botbuilder/core/adapters/test_adapter.py
@@ -367,7 +367,6 @@ async def new_previous():
 
         return TestFlow(await new_previous(), self.adapter)
 
-
     async def assert_reply(
         self,
         expected: Union[str, Activity, Callable[[Activity, str], None]],