[Python] 'Unsupported Filling Mode' error while sending order from Python API to Meta Trader 5

I am developing a Python program. When I try to send an order from Python to Meta Trader 5 (Alpari broker), I get an error:

Unsupported Filling Mode
​

I tried the following code:

# Import the libraries
import MetaTrader5 as mt5
from datetime import datetime

# Create the bound between MT5 and Python
mt5.initialize()

# Place buy order

# Initialization value
symbol = "EURUSD"
lot = 0.01

# Choose the deviation
deviation = 10

# Find the filling mode of symbol
filling_type = mt5.symbol_info(symbol).filling_mode

# Create dictionary request
request = {
"action": mt5.TRADE_ACTION_DEAL,
"symbol": symbol,
"volume": lot,
"type": mt5.ORDER_TYPE_SELL,
"price": mt5.symbol_info_tick(symbol).bid,
"deviation": deviation,
"type_filling": filling_type,
"type_time": mt5.ORDER_TIME_GTC
}

mt5.order_check(request)


The result was as below:

OrderCheckResult(retcode=10030, balance=0.0, equity=0.0, profit=0.0,
margin=0.0, margin_free=0.0, margin_level=0.0, comment='Unsupported
filling mode', request=TradeRequest(action=1, magic=0, order=0,
symbol='EURUSD', volume=0.01, price=1.0793, stoplimit=0.0, sl=0.0,
tp=0.0, deviation=10, type=1, type_filling=1, type_time=0,
expiration=0, comment='', position=0, position_by=0))


Can anyone help me to make this problem fixed? How I can translate the SYMBOL_FILLING_MODE to the ENUM_ORDER_TYPE_FILLING value?

Thanks in advance!

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