fix duplicate wrapping bug in vector envs

gym/vector/__init__.py

@@ -52,8 +52,7 @@ def make(
     from gym.envs import make as make_
 
     def _make_env():
-        env = make_(id, **kwargs)
-        env = StepCompatibility(env, return_two_dones=True)
+        env = make_(id, return_two_dones=True, **kwargs)
         if wrappers is not None:
             if callable(wrappers):
                 env = wrappers(env)

gym/wrappers/step_compatibility.py

@@ -39,7 +39,7 @@ def _step_returns_old_to_new(self, step_returns):
         logger.deprecation(
             "[StepAPI] Using a wrapper to transform env with old step API into new. This wrapper will be removed in the future. "
             "It is recommended to upgrade the core env to the new step API."
-            "If 'TimeLimit.truncated' is set at truncation, terminated and truncated values will be accurate"
+            "If 'TimeLimit.truncated' is set at truncation, terminated and truncated values will be accurate. "
             "Otherwise, `terminated=done` and `truncated=False`"
         )