小编cha*_*p19的帖子

这是我的第一个问题，请原谅我的错误我一直在阅读 Andreas Clenow 的 Trading Evolved，这是一本关于使用 Python 进行回测和财务的书 这是我收到的代码和错误

%matplotlib inline

# Import Zipline functions that we need
from zipline import run_algorithm
from zipline.api import order_target_percent, symbol

# Import date and time zone libraries
from datetime import datetime
import pytz
import pandas as pd

# Import visualization
import matplotlib.pyplot as plt


def initialize(context):
    # Which stock to trade
    context.stock = symbol('AAPL')
    
    # Moving average window
    context.index_average_window = 100
    
def handle_data(context, data):
    # Request history for the stock
    equities_hist = data.history(context.stock, …