'GPT2LMHeadModel' object has no attribute 'push_to_hub'

Hi,

The correct way to push a model to the hub is by typing:

model.save_pretrained(".", 
        push_to_hub=True, 
        commit_message="First commit",
        repo_path_or_name: Optional[str] = None,
        repo_url: Optional[str] = None,
        use_temp_dir: bool = False,
        commit_message: Optional[str] = None,
        organization: Optional[str] = None,
        private: Optional[bool] = None,
        use_auth_token: Optional[Union[bool, str]] = None,)

As can be seen here.