Fixing issue #6268

Author: Codengineer

com.unity.ml-agents/CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to
 #### ml-agents / ml-agents-envs
 - Set the Torch version constraint to 2.8 (#6251)
 - Fixed CUDA/CPU mismatch in threaded training (#6245)
+- Fixed HTTP Error when importing UnityToGymWrapper (#6269)
 
 ## [4.0.0] - 2025-08-28
 ### Major Changes

ml-agents-envs/mlagents_envs/registry/unity_env_registry.py

@@ -121,6 +121,6 @@ def __iter__(self) -> Iterator[Any]:
 
 default_registry = UnityEnvRegistry()
 # TODO restore when a new registry is available.
-default_registry.register_from_yaml(
-    "https://storage.googleapis.com/mlagents-test-environments/1.1.0/manifest.yaml"
-)  # noqa E501
+# default_registry.register_from_yaml(
+#    "https://storage.googleapis.com/mlagents-test-environments/1.1.0/manifest.yaml"
+# )  # noqa E501