fix trinity baseurl support

Author: binary-husky

ajet/backbone/main_trinity.py

@@ -25,6 +25,7 @@ def patch_runtime_env_to_get_actor():
     """Patch the classmethod of Explorer and Trainer to pass in the runtime env."""
     ajet_config = get_ajet_config_from_trinity_side()
     runtime_env = get_runtime_env(ajet_config, is_trinity=True)
+    os.environ.update(runtime_env["env_vars"])
 
     def patched_explorer_get_actor(cls, config: Config):
         return (

ajet/backbone/trainer_trinity.py

@@ -116,10 +116,6 @@ def __init__(
 
     async def run_async(self):
         ajet_config = get_ajet_config_from_trinity_side()
-        if ajet_config.ajet.enable_experimental_interchange_server:
-            raise NotImplementedError(
-                "The experimental reverse proxy is not supported in Trinity backbone yet."
-            )
         warm_up_process(ajet_config)
         tracker = await TrinityRolloutManager(
             is_eval=self.is_eval,