list_of_groups = []
a = []
text = []
connection = sqlite3.connect("stats.db")
cursor = connection.cursor()
try:
    cursor.execute('''CREATE TABLE chats(
        id INTEGER,
        time TEXT
        text TEXT)
    ''')
    connection.commit()
except:
    pass
@app.on_message(filters.command("time", prefixes="/") & filters.me)
async def time(_, msg: Message):
    global text
    global connection
    global list_of_groups
    global cursor
    check = cursor.execute("SELECT id, time, text FROM chats").fetchall()
    done_list = str(check).replace(", '", "/").replace("(", "").replace(")", "").replace(",", "").replace("'",
                                                                                                          "").replace(
        "[", "").replace("]", "").split()
    list_of_groups = done_list
    start, end = map(str, msg.text.replace("/time ", "").split())
    now = datetime.datetime.now()
    used = []
    while True:
        now = datetime.datetime.now()
        if str(now)[11:16] == start:
            for group in list_of_groups:
                nud, interval, text = map(str, group.replace("/", " ").split())
                try:
                    await app.send_message(chat_id=int(nud), text=text)
                except:
                    pass 
            break             
        await sleep(60)

 check = cursor.execute("SELECT id, time, text FROM chats").fetchall()

  
>>> a, b = [1]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: not enough values to unpack (expected 2, got 1)
>>>