Revert "Delete .venv directory"

This reverts commit 5a2693bd9f.

.venv/lib/python3.9/site-packages/aiohttp/_helpers.pyi

@@ -0,0 +1,6 @@
+from typing import Any
+
+class reify:
+    def __init__(self, wrapped: Any) -> None: ...
+    def __get__(self, inst: Any, owner: Any) -> Any: ...
+    def __set__(self, inst: Any, value: Any) -> None: ...