I connect to the server, but when it starts scanning, the bot closes without giving any errors.

`
def scan():
global twm, conn_keys_prices, conn_keys, prices, perc, client, break_scan, loop, pump_symbol

while True:
try:
if exchange == ‘binance’:
client = BinanceClient(api_key, api_secret)
except Exception as e:
sprint(f”{A}{exchange}{B}”)
print(f”Exception: {e}”)
traceback.print_exc()
exit_pumpbot()

    if exchange == 'binance':
        sprint(_c)
        sprint(_d)
        twm = ThreadedWebsocketManager(api_key, api_secret)
        twm.start()
        break_scan = False
        conn_keys = {}
        conn_keys_prices = {}
        prices = {}
        pump_symbol = None
        perc = None
        symbols = [line[0].lower() + '@trade' for line in tickers]
        symbols_prices = [line[0].lower() + '@kline_1m' for line in tickers]

        time.sleep(3)
        print('SCAN STARTED')
        time.sleep(1)
        print('Press ESC key to stop scan.')
        time.sleep(1)

        try:
            conn_keys[0] = twm.start_multiplex_socket(callback=process_binance_trade_message, streams=symbols)
            conn_keys_prices[0] = twm.start_multiplex_socket(callback=process_binance_kline_message, streams=symbols_prices)
        except Exception as e:
            print(f"Failed to start websocket: {e}")
            traceback.print_exc()  
            twm.stop()
            continue

        start = time.time()
        Thread(target=start_key_listener).start()
        twm.join()

        while pump_symbol is None:
            if break_scan == False:
                time.sleep(0.001)

        twm.stop_socket(conn_keys[0])
        twm.stop_socket(conn_keys_prices[0])`

I connect to the server, but when it starts scanning, the bot closes without giving any errors.