提示'HTTP消息不可读'

1、提示下面的错误信息

2、修改后的代码，费用接口

import unittest
import requests
import json
import HTMLTestRunner

ur1 = 'http://172.31.20.18:81/api/fee-master-web/v1/feeInfo/AddFee'
headers = {'Content-Type': 'application/json','Referer':'172.31.20.18:81'}
data = {
    "id": "",
    "createUser": "admin",
    "feeCode": "",
    "cformula":"借款年利率*逾期利息",
    "createTime":"",
    "eformula":"@loan.assetCore.yearRate*@repayment.repayMon.overdueIni",
    "feeCategory":"",
    "feeDesc":"通天塔",
    "feeName":"首金管理费61301",
    "feeTag":"通天塔",
    "feeType":"",
    "feeWay":"",
    "payCode":"",
    "recCode":"",
    "status":1
}
r = requests.post(url=ur1,json=data,headers=headers)
repones = r.json()
print(r.json())
print(r.status_code)

class DemoTest(unittest.TestCase):

    def test_1(self):
        self.assertEquals(r.status_code, 200)
        print('第一条case')
    def test_2(self):
        self.assertIn('True',repones)
        #self.assertIn('HTTP消息不可读', repones)
        print('第二条case')
    def test_3(self):
        print('第3条case')
#调整缩进后就会不执行main
if __name__ == '__main__':
    print("开始main")
    suite = unittest.TestSuite()
    suite.addTest(DemoTest('test_1'))
    suite.addTest(DemoTest('test_2'))
    suite.addTest(DemoTest('test_3'))

    filename = 'E:\\test.html'
    fp = open(filename, 'wb+')
#这里了引用写的是HtmlTestRunner，一直报错，找半天原因
    #runner = HTMLTestRunner.HTMLTestRunner(stream=fp, output='E:/test.html', report_title='test-results',
                                           #descriptions='第一个python unittest')
    #runner = HTMLTestRunner.HTMLTestRunner(stream=fp,report_title=u"test-results",descriptions=u"第一个python unittest")
    runner = HTMLTestRunner.HTMLTestRunner(stream=fp, title=u"这是我测试报告标题", description=u"这是我测试用例的描述")

    runner.run(suite)

    fp.close()