def METHOD_NAME(cls):
    """Remove the temporary region and generated data"""
    cls.del_temp_region()
    shutil.rmtree(cls.sig_dir1, ignore_errors=True)
    cls.runModule("g.remove", flags="f", type="raster", name=cls.b1, quiet=True)
    cls.runModule("g.remove", flags="f", type="raster", name=cls.b2, quiet=True)
    cls.runModule("g.remove", flags="f", type="raster", name=cls.train, quiet=True)