爬虫问题： requests.exceptions.MissingSchema: Invalid URL without schema.

    #引入模块
    import requests
    from urllib.parse import urlencode
    from requests.exceptions import ConnectionError
    from pyquery import PyQuery as pq
    import pymongo
    import sys
    sys.setrecursionlimit(1000000)
    
    client = pymongo.MongoClient('localhost')
    db = client['weixin']
    #参数设置
    headers = {
    'Cookie': 'SUV=0050272B0E1788145AD0D1D0B5C42214; dt_ssuid=3835736327; pex=C864C03270DED3DD8A06887A372DA219231FFAC25A9D64AE09E82AED12E416AC; ssuid=8355709570; SUID=1488170E3665860A5B933B700007EAF7; SMYUV=1540625126607399; CXID=0E31D6148DFE7E3823CFFE36FA7A5EDF; p