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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def files(self):
        '''Listing files related to workflows related to current directory'''
        try:
            cur = self.conn.cursor()
            cur.execute(
                'SELECT id, item FROM workflows WHERE entry_type = "tracked_files"'
            )
            return [(x[0], eval(x[1])) for x in cur.fetchall()]
        except sqlite3.DatabaseError as e:
            env.logger.warning(
                f'Failed to get files from signature database: {e}')
            return []