def purge_config_cache(location=None):
cache_path = get_cache_path(location)<EOL>if location:<EOL><INDENT>os.remove(cache_path)<EOL><DEDENT>else:<EOL><INDENT>shutil.rmtree(cache_path)<EOL><DEDENT>
Clears out the cache of TidyPy configurations that were retrieved from
outside the normal locations.