diff --git a/third_party/2and3/flask/app.pyi b/third_party/2and3/flask/app.pyi
index c1ba7e845..0e8519c04 100644
--- a/third_party/2and3/flask/app.pyi
+++ b/third_party/2and3/flask/app.pyi
@@ -88,7 +88,7 @@ class Flask(_PackageBoundObject):
     env: Any = ...
     debug: Any = ...
     def run(self, host: Optional[str] = ..., port: Optional[int] = ..., debug: Optional[bool] = ..., load_dotenv: bool = ..., **options: Any) -> None: ...
-    def test_client(self, use_cookies: bool = ..., **kwargs: Any) -> testing.FlaskClient: ...
+    def test_client(self, use_cookies: bool = ..., **kwargs: Any) -> FlaskClient: ...
     def test_cli_runner(self, **kwargs: Any): ...
     def open_session(self, request: Any): ...
     def save_session(self, session: Any, response: Any): ...