为什么我在使用 Django 的覆盖工具时出现“KeyError”错误

问题描述

我正在开发一个 django API。现在我在端点上做了一些测试，当我执行“python manage.py test”时一切顺利。但是当我使用标志 '--with-coverage' 或 'coverage run --source='.' manage.py 测试应用程序&&覆盖率报告'我收到错误'KeyError：'BREAK_LOOP'。有人可以帮我吗？

代码

from django.test import TestCase
import requests

class Teste(TestCase):
   url = "localhost://endpoint/"

   def test(self):

       token = self.token            
   
       headers={
           'content-type'  : 'application/json','Authorization' : token
       }
    
       response = requests.get(self.url,headers=headers)

       self.assertEqual(response.status_code,403)

错误

nosetests --with-coverage --verbosity=1
Traceback (most recent call last):
  File "manage.py",line 21,in <module>
    main()
  File "manage.py",line 17,in main
    execute_from_command_line(sys.argv)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/django/core/management/__init__.py",line 401,in execute_from_command_line
    utility.execute()
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/django/core/management/__init__.py",line 395,in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/django/core/management/commands/test.py",line 23,in run_from_argv
    super().run_from_argv(argv)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/django/core/management/base.py",line 328,in run_from_argv
    self.execute(*args,**cmd_options)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/django/core/management/base.py",line 369,in execute
    output = self.handle(*args,**options)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/django/core/management/commands/test.py",line 53,in handle
    failures = test_runner.run_tests(test_labels)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/django_nose/runner.py",line 308,in run_tests
    result = self.run_suite(nose_argv)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/django_nose/runner.py",line 244,in run_suite
    nose.core.TestProgram(argv=nose_argv,exit=False,File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/nose/core.py",line 118,in __init__
    unittest.TestProgram.__init__(
  File "/usr/lib/python3.8/unittest/main.py",line 100,in __init__
    self.parseArgs(argv)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/nose/core.py",line 145,in parseArgs
    self.config.configure(argv,doc=self.usage())
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/nose/config.py",line 346,in configure
    self.plugins.configure(options,self)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/nose/plugins/manager.py",line 284,in configure
    cfg(options,config)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/nose/plugins/manager.py",line 99,in __call__
    return self.call(*arg,**kw)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/nose/plugins/manager.py",line 167,in simple
    result = meth(*arg,**kw)
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/nose/plugins/cover.py",line 104,in configure
    import coverage
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/coverage/__init__.py",line 10,in <module>
    from coverage.control import coverage,process_startup
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/coverage/control.py",line 13,in <module>
    from coverage.html import HtmlReporter
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/coverage/html.py",in <module>
    from coverage.results import Numbers
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/coverage/results.py",line 7,in <module>
    from coverage.parser import CodeParser
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/coverage/parser.py",line 315,in <module>
    OP_BREAK_LOOP = _opcode('BREAK_LOOP')
  File "/home/user/.virtualenvs/env/lib/python3.8/site-packages/coverage/parser.py",line 274,in _opcode
    return opcode.opmap[name]
KeyError: 'BREAK_LOOP'

解决方法

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