AttributeError: 'int' object has no attribute 'ref'

Vypy1

I am trying to run a basic strategy just to check how things work on backorder. As per what is mentioned in the Quickstart guide, I have loaded my data onto cerebra, added the strategy and I get an error that states AttributeError: 'int' object has no attribute 'ref'. My code is as follows:

from __future__ import (absolute_import, division, print_function, unicode_literals)
import pandas as pd
import talib as ta
import numpy as np
import backtrader as bt
import datetime
from datetime import datetime


class MyFirstStrategy(bt.Strategy):
    params = (('fastma', 20), ('slowma', 50), )
    
    def __init__(self):
        self.dataclose = self.datas[0].close
        self.fma = bt.indicators.EMA(self.data, period = self.params.fastma)
        self.sma = bt.indicators.EMA(self.data, period = self.params.slowma)

        
        self.order = None
        self.buyprice=None
        self.buycomm=None
        
    def log(self, txt, dt=None):
        dt = self.datas[0].datetime.date()
        print(f'{dt}, {txt}')
        
    def notify_order(self, order):
        if order in [order.Submitted, order.Accepted]:
            return
        
        
        if order in [order.Completed]:
            if order.isbuy():
                self.log(f'BUY EXECUTED: {order.executed.price}, Cost: {order.executed.value}, Comms: {order.executed.comm}')
                
            else:
                self.log(f'SELL EXECUTED: {order.executed.price}, Cost: {order.executed.value}, Comms: {order.executed.comm}')
                
                
        elif order.status in [order.Rejected, order.Margin, order.Cancelled]:
            self.log('Order rejected/cancelled by broker or insufficient margin')
            
        self.order = None
        
        
    def notify_trade(self, trade):
        if not trade.isclosed:
            return  
        self.log(f'OPERATION PROFIT: GROSS {trade.pnl}, NET {trade.pnlcomm}')
        
        
              
    def next(self):
        self.log(f'Close: {self.dataclose[0]}')
        
        if self.order:
            return
        
        if not self.position:
            
            if (self.fma[-1] < self.sma[-1]) and (self.fma[0] > self.sma[0]):
                self.log(f'BUY CREATE, {self.dataclose[0]}')
                self.order = self.buy()
                    
                    
        else:
            if (self.fma[-1] > self.sma[-1]) and (self.fma[0] < self.sma[0]):
                self.log(f'SELL CREATE, {self.dataclose[0]}')
                self.order = self.sell()



cerebro = bt.Cerebro()
cerebro.broker.set_cash(1000000)

print(f'Starting Portfolio Value: {cerebro.broker.getvalue()}')

data = bt.feeds.PandasData(dataname=hdfc, datetime=None, open=-1, high=-1, low=-1, close=-1, volume=-1)
cerebro.adddata(data)
cerebro.addstrategy(MyFirstStrategy)
cerebro.addsizer(bt.sizers.FixedSize, stake=10)
cerebro.broker.setcommission(commission=0.001)

cerebro.run()

print(f'Final Portfolio Value: {cerebro.broker.getvalue()}')

Vypy1

@vypy1 I have managed to fix this, it was a silly miss from my end where instead of putting in order.status in order.Completed I had put in just order.