uid = update.message.from_user.id
AttributeError: 'CallbackContext' object has no attribute 'message'
def start(update: Update, context: CallbackContext):
# Get user Telegram ID
uid = str(update.message.from_user.id)
cid = update.message.chat_id
# Fimd user in our database
user = db.getUserByID(int(uid))