fix lint

Author: DNXie

apps/grpo/main.py

@@ -8,7 +8,6 @@
 
 import asyncio
 import logging
-import sys
 import uuid
 from dataclasses import dataclass
 from typing import Any, Callable, Optional

apps/rl/main.py

@@ -49,4 +49,4 @@ def recipe_main(cfg: DictConfig) -> None:
 
 
 if __name__ == "__main__":
-    recipe_main()
+    sys.exit(recipe_main())

apps/vllm/main.py

@@ -10,7 +10,6 @@
 """
 
 import asyncio
-import sys
 
 from forge.actors.policy import Policy
 from forge.cli.config import parse

src/forge/actors/replay_buffer.py

@@ -8,10 +8,10 @@
 from dataclasses import dataclass
 from typing import Any
 
-from forge.controller import ForgeActor
-
 from monarch.actor import endpoint
 
+from forge.controller import ForgeActor
+
 
 @dataclass
 class ReplayBuffer(ForgeActor):