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:param id: èŠè·åçæ°æ®ç id
:return: è¿åäžäžª ``dict`` å¯¹è±¡'

def get(self, id):

    session_json = self.db.execute('SELECT    value    FROM    WeRoBot    WHERE    id=?    LIMIT    1;', (id,)).fetchone()
    if (session_json is None):
        return {}
    return json_loads(session_json[0])
