fix docs tictactoc dummy vector env #669 (#749)

a fix for #669
2022-10-04 00:41:31 +00:00 · 2022-10-04 00:41:31 +00:00 · 0181fe79a5
commit 0181fe79a5
parent 128feb677f
1 changed files with 1 additions and 0 deletions
--- a/docs/tutorials/tictactoe.rst
+++ b/docs/tutorials/tictactoe.rst
@ -428,6 +428,7 @@ With the above preparation, we are close to the first learned agent. The followi
        agent_opponent: Optional[BasePolicy] = None,
    ) -> None:
        env = get_env()
+        env = DummyVectorEnv([lambda: env])
        policy, optim, agents = get_agents(
            args, agent_learn=agent_learn, agent_opponent=agent_opponent
        )