Loads the new excel format files. Old format files will automatically get loaded as well.

    Args:
        file_name: The name of the local file, or the holder for the
            extension type when the file_contents are supplied.
        file_contents: The file-like object holding contents of file_name.
            If left as None, then file_name is directly loaded.
        on_demand: Requests that a yielder be used in place of a full data
            copy.

def get_data_xlsx(file_name, file_contents=None, on_demand=False):
    '''
    Loads the new excel format files. Old format files will automatically get loaded as well.

    Args:
        file_name: The name of the local file, or the holder for the
            extension type when the file_contents are supplied.
        file_contents: The file-like object holding contents of file_name.
            If left as None, then file_name is directly loaded.
        on_demand: Requests that a yielder be used in place of a full data
            copy.
    '''
    return get_data_xls(file_name, file_contents=file_contents, on_demand=on_demand)