def METHOD_NAME():
    # FIXME: os.statvfs doesn't work on Windows...
    # Need to find another way to calculate disk on Windows.
    # Return None for now
    try:
        statvfs = os.statvfs(".")
        available_blocks = statvfs.f_frsize * statvfs.f_bavail
        return bytes_to_mega_bytes(available_blocks)
    except Exception:
        return None