AWS Lambda : Unexpected Multiple Invocation Issue (no errors) - amazon-web-services

Question

from binance import Client
import os
def get_position_amt(bot, symbol):
get_position = bot.futures_position_information(symbol=symbol)
amt = float(get_position[0]['positionAmt'])
return amt
def close_all_position(bot, symbol):
print('close_all_position')
amt = get_position_amt(bot, symbol)
if amt > 0:
close_order = bot.futures_create_order(
symbol=symbol, side="SELL", type="MARKET", quantity=amt
)
print(close_order)
elif amt < 0:
close_order = bot.futures_create_order(
symbol=symbol, side="BUY", type="MARKET", quantity=abs(amt)
)
print(close_order)
else:
print("no position : amt is zero")
def lambda_handler(event, context):
bot = Client(api_key=os.environ.get('api_key'), api_secret=os.environ.get('api_sc'))
data = eval(event['body'])
side=data.get('side')
symbol=data.get('market')
amt = get_position_amt(bot, symbol)
if side == "BUY":
if amt < 0:
close_all_position(bot, symbol)
elif side == "SELL":
if amt > 0:
close_all_position(bot, symbol)
ord_type = data.get('ord_type')
if ord_type == 'limit':
order = bot.futures_create_order(
symbol=data.get('market'), side=data.get('side'), type="LIMIT", timeInForce='GTC', quantity=float(data.get('volume')), price=float(data.get('price'))
)
print(order)
elif ord_type == 'market':
order = bot.futures_create_order(
symbol=data.get('market'), side=data.get('side'), type="MARKET", quantity=float(data.get('volume'))
)
print(order)
elif ord_type == 'close':
close_all_position(bot, data.get('market'))
else:
raise ValueError
I need only 1 request but this invoke 4 different requests.
4 request IDs are all different so this means it's not an error.
I tried changing time limit and number of retrys on configuration but nothing happened.
I would appreciate it if anyone know how to handle this problem.