我是django-paypal的新手，我试图弄清楚如何运行它 . 但这是错误阻止我继续 . 我忽略了什么？我的视图代码只是在django paypal的文档中被复制 .

请求方法：GET请求URL：Django版本：1.6异常类型：KeyError异常值：（'True'，'buy'）异常位置：/home/kevcal/.virtualenvs/paypalshit/local/lib/python2.7/site -packages / paypal / standard / forms.py in get_image，第143行Python可执行文件：/home/kevcal/.virtualenvs/paypalshit/bin/python Python版本：2.7.6 Python路径：['/ home / kevcal / channelfix / resources / paypalshit'，'/ home / kevcal / .virtualenvs / paypalshit / lib / python2.7'，'/ home / kevcal / .virtualenvs / paypalshit / lib / python2.7 / plat-i386-linux-nuu'，'/ home / kevcal / .virtualenvs / paypalshit / lib / python2.7 / lib-tk'，'/ home / kevcal / .virtualenvs / paypalshit / lib / python2.7 / lib-old'，'/ home / kevcal / .virtualenvs /paypalshit/lib/python2.7/lib-dynload'，'/ usr / lib / python2.7'，'/ usr / lib / python2.7 / plat-i386-linux_gnu'，'/ usr / lib / python2.7 / lib-tk'，'/ home / kevcal / .virtualenvs / paypalshit / local / lib / python2.7 / site-package'，'/ home / kevcal / .virtualenvs / paypalshit / lib / python2.7 / site-packages']服务器时间：星期一，2014年12月22日15:20:02 0000

views.py

from django.conf import settings
from django.shortcuts import render, render_to_response


from paypal.standard.forms import PayPalPaymentsForm

def view_that_asks_for_money(request):

    # What you want the button to do.
    paypal_dict = {
        "business": settings.PAYPAL_RECEIVER_EMAIL,
        "amount": "10000000.00",
        "item_name": "name of the item",
        "invoice": "unique-invoice-id",
        "return_url": "https://www.example.com/your-return-location/",
        "cancel_return": "https://www.example.com/your-cancel-location/",

    }

    # Create the instance.
    form = PayPalPaymentsForm(initial=paypal_dict)
    context = {"form": form}
    return render_to_response("paypal.html", context)

paypal.html

<h1>Show me the money!</h1>
<!-- writes out the form tag automatically -->
{{ form.render }}
django paypal django-paypal