这里记录一下遇到的坑：
报错：raise MissingSchema(error)
原请求：https%3a%2f%2fapi.m.jd.com%2fclient.action%3ffunctionId%3dvvipclub_coupon_dispatch%26body%3d%7b%22ruleId%22%3a31202532%2c%22encryKey%22%3a%22290e159ca28e43aca9f8aafdca3f6924%22%2c%22riskInfo%22%3a%7b%22platform%22%3a3%2c%22orgType%22%3a2%2c%22eid%22%3a%22UGYTL5JKCHYE6SVYILES2DIZDKJMEQUIR6DIEUC6Q7NFVOPGWDZFBCRH3CYKD5WXJ5FOCEY7KMODU7A7EWOQ3EZJIE%22%2c%22fp%22%3a%22f7376e34d52b71332609b57fa75a6b1e%22%2c%22shshshfp%22%3a%22da9de8b5bf7710b9e65d4b56ad8dce87%22%2c%22shshshfpa%22%3a%229eacfb9c-0db1-e1f9-6eed-abfa8837e678-1585218319%22%2c%22shshshfpb%22%3a%22x3SAUod0AeLnUgVN8FVCcBg%3d%3d%22%7d%2c%22v%22%3a%225.8%22%2c%22apiType%22%3a%22h5%22%2c%22paramData%22%3a%7b%22tool_keeper_appid%22%3a%22aries_m_h5%22%7d%7d%26appid%3daries_m_h5%26t%3d1589787076441%26jsonp%3d
原因：一个url应该为http://......，但是这里直接把所有符号给转为url编码了，所以requests识别不出url了，故报这个错