Skip mypy for ray worker module

Author: opcode81

tianshou/env/worker/ray.py

@@ -1,3 +1,5 @@
+# Skip mypy for this module
+# type: ignore
 import contextlib
 from collections.abc import Callable
 from typing import Any
@@ -12,9 +14,6 @@
     import ray
 
 
-# mypy: disable-error-code="unused-ignore"
-
-
 class _SetAttrWrapper(gym.Wrapper):
     def set_env_attr(self, key: str, value: Any) -> None:
         setattr(self.env.unwrapped, key, value)