API Documentation not showing up on ReadTheDocs

[RaphaelMeudec]

When building the docs locally, API documentation is available. However, it doesn't appear when deployed on ReadTheDocs

[RaphaelMeudec]

Example: https://tf-explain.readthedocs.io/en/latest/api/tf_explain.core.html#tf-explain-core-integrated-gradients-module