def parse_json_feed_file(filename: str) -> JSONFeed:
    """Parse a JSON feed from a local json file."""
    with open(filename) as f:
        try:
            root = json.load(f)
        except json.decoder.JSONDecodeError:
            raise FeedJSONError('Not a valid JSON document')

    return parse_json_feed(root)
def parse_json_feed_file ( filename : str ) -> JSONFeed : with open ( filename ) as f : try : root = json . load ( f ) except json . decoder . JSONDecodeError : raise FeedJSONError ( 'Not a valid JSON document' ) return parse_json_feed ( root )
Parse a JSON feed from a local json file.