# tf_agents.policies.utils.check_no_mask_with_arm_features

<br />

|---|
| [![](https://www.tensorflow.org/images/GitHub-Mark-32px.png) View source on GitHub](https://github.com/tensorflow/agents/blob/v0.19.0/tf_agents/policies/utils.py#L365-L378) |

    tf_agents.policies.utils.check_no_mask_with_arm_features(
        accepts_per_arm_features: bool,
        observation_and_action_constraint_splitter: https://www.tensorflow.org/agents/api_docs/python/tf_agents/typing/types/Splitter
    )