def METHOD_NAME(df: Any) -> Any:
    """
    Removes dataframe rows that contain all zero values.
    Parameters
    ----------
    df: a ``pd.DataFrame``.
    Returns
    -------
    A ``pd.DataFrame`` containing a subset of rows from the input
    dataframe, where each row contains at least 1 non-zero value.
    """
    return df.loc[(df != 0).any(axis=1)]