fix seed

Author: hiyuchang

trinity/common/workflows/envs/frozen_lake/workflow.py

@@ -257,7 +257,7 @@ async def run_async(self) -> List[Experience]:
         """
         # Reset environment and state for a new episode
         # But this only resets the player position, not the environment configuration.
-        observation, info = self.gym_env.reset(self.seed)
+        observation, info = self.gym_env.reset(seed=self.seed)
         self.current_observation = self.render()
         self.last_observation = self.current_observation
         self.done = False