Python Django REST单元测试TypeError:\uuuu init\uuuuu（）接受1个位置参数，但给出了2个

我使用命令

$python manage.py test

启动以下代码，并返回错误：

TypeError: __init__() takes 1 positional argument but 2 were given

据我所知，我只是将

self

传递给

\uuuu init\uuu>方法

，这个附加参数来自哪里？我已经检查了这里的多个答案并查看了答案，但似乎找不到我的错误

这是什么原因造成的

代码：

全端输出：

Traceback (most recent call last):
File "manage.py", line 15, in <module>
    execute_from_command_line(sys.argv)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/commands/test.py", line 26, in run_from_argv
    super().run_from_argv(argv)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/base.py", line 316, in run_from_argv
    self.execute(*args, **cmd_options)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/base.py", line 353, in execute
    output = self.handle(*args, **options)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/commands/test.py", line 56, in handle
    failures = test_runner.run_tests(test_labels)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/test/runner.py", line 603, in run_tests
    suite = self.build_suite(test_labels, extra_tests)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/test/runner.py", line 514, in build_suite
    tests = self.test_loader.discover(start_dir=label, **kwargs)
File "/usr/lib/python3.6/unittest/loader.py", line 341, in discover
    tests = list(self._find_tests(start_dir, pattern))
File "/usr/lib/python3.6/unittest/loader.py", line 406, in _find_tests
    yield from self._find_tests(full_path, pattern, namespace)
File "/usr/lib/python3.6/unittest/loader.py", line 406, in _find_tests
    yield from self._find_tests(full_path, pattern, namespace)
File "/usr/lib/python3.6/unittest/loader.py", line 398, in _find_tests
    full_path, pattern, namespace)
File "/usr/lib/python3.6/unittest/loader.py", line 452, in _find_test_path
    return self.loadTestsFromModule(module, pattern=pattern), False
File "/usr/lib/python3.6/unittest/loader.py", line 123, in loadTestsFromModule
    tests.append(self.loadTestsFromTestCase(obj))
File "/usr/lib/python3.6/unittest/loader.py", line 92, in loadTestsFromTestCase
    loaded_suite = self.suiteClass(map(testCaseClass, testCaseNames))
File "/usr/lib/python3.6/unittest/suite.py", line 24, in __init__
    self.addTests(tests)
File "/usr/lib/python3.6/unittest/suite.py", line 57, in addTests
    for test in tests:
TypeError: __init__() takes 1 positional argument but 2 were given

回溯（最近一次呼叫最后一次）：
文件“manage.py”，第15行，在
从命令行（sys.argv）执行命令
文件“/home/tompreston/.python\u virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site packages/django/core/management/\uuuuu init\uuuuuuuuuuuuuu.py”，第381行，从命令行执行
utility.execute（）
文件“/home/tompreston/.python\u virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site packages/django/core/management/\uuuuuu init\uuuuuuuuu.py”，执行中第375行
self.fetch_命令（子命令）。从_argv（self.argv）运行_
文件“/home/tompreston/.python\u virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site packages/django/core/management/commands/test.py”，第26行，从_argv运行
super（）。从_argv（argv）运行_
文件“/home/tompreston/.python\u virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/base.py”，第316行，从
self.execute（*args，**cmd_选项）
文件“/home/tompreston/.python\u virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site packages/django/core/management/base.py”，第353行，在execute中
输出=self.handle（*args，**选项）
文件“/home/tompreston/.python\u virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site packages/django/core/management/commands/test.py”，第56行，在handle中
失败=测试运行程序。运行测试（测试标签）
文件“/home/tompreston/.python\u virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site packages/django/test/runner.py”，第603行，运行测试中
suite=self.build\u suite（测试标签、额外测试）
文件“/home/tompreston/.python\u virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site packages/django/test/runner.py”，第514行，在构建套件中
tests=self.test\u loader.discover（start\u dir=label，**kwargs）
文件“/usr/lib/python3.6/unittest/loader.py”，第341行，在discover中
测试=列表（自查找测试（开始目录，模式））
文件“/usr/lib/python3.6/unittest/loader.py”，第406行，在“查找”测试中
从self.\u find\u测试中获得收益（完整路径、模式、命名空间）
文件“/usr/lib/python3.6/unittest/loader.py”，第406行，在“查找”测试中
从self.\u find\u测试中获得收益（完整路径、模式、命名空间）
文件“/usr/lib/python3.6/unittest/loader.py”，第398行，在“查找”测试中
完整路径、模式、命名空间）
文件“/usr/lib/python3.6/unittest/loader.py”，第452行，在查找测试路径中
返回self.loadTestsFromModule（module，pattern=pattern），False
loadTestsFromModule中的文件“/usr/lib/python3.6/unittest/loader.py”，第123行
tests.append（self.loadTestsFromTestCase（obj））
loadTestsFromTestCase中的文件“/usr/lib/python3.6/unittest/loader.py”，第92行
loaded_suite=self.suiteClass（映射（testCaseClass，testCaseNames））
文件“/usr/lib/python3.6/unittest/suite.py”，第24行，在__
self.addTests（测试）
addTests中的文件“/usr/lib/python3.6/unittest/suite.py”，第57行
对于测试中的测试：
TypeError:\uuuu init\uuuuuu（）接受1个位置参数，但提供了2个

不要覆盖

TestCase

的

\uuuu init\uuuuu

方法来在数据库中设置测试数据。改用

---

不要覆盖

TestCase

的

\uuuuu init\uuuu

方法来在数据库中设置测试数据。改用

---

B-e-a-utiful！谢谢你！谢谢

Traceback (most recent call last):
File "manage.py", line 15, in <module>
    execute_from_command_line(sys.argv)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/commands/test.py", line 26, in run_from_argv
    super().run_from_argv(argv)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/base.py", line 316, in run_from_argv
    self.execute(*args, **cmd_options)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/base.py", line 353, in execute
    output = self.handle(*args, **options)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/core/management/commands/test.py", line 56, in handle
    failures = test_runner.run_tests(test_labels)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/test/runner.py", line 603, in run_tests
    suite = self.build_suite(test_labels, extra_tests)
File "/home/tompreston/.python_virtualenvs/lagoon-back-end-K1-2r-Ad/lib/python3.6/site-packages/django/test/runner.py", line 514, in build_suite
    tests = self.test_loader.discover(start_dir=label, **kwargs)
File "/usr/lib/python3.6/unittest/loader.py", line 341, in discover
    tests = list(self._find_tests(start_dir, pattern))
File "/usr/lib/python3.6/unittest/loader.py", line 406, in _find_tests
    yield from self._find_tests(full_path, pattern, namespace)
File "/usr/lib/python3.6/unittest/loader.py", line 406, in _find_tests
    yield from self._find_tests(full_path, pattern, namespace)
File "/usr/lib/python3.6/unittest/loader.py", line 398, in _find_tests
    full_path, pattern, namespace)
File "/usr/lib/python3.6/unittest/loader.py", line 452, in _find_test_path
    return self.loadTestsFromModule(module, pattern=pattern), False
File "/usr/lib/python3.6/unittest/loader.py", line 123, in loadTestsFromModule
    tests.append(self.loadTestsFromTestCase(obj))
File "/usr/lib/python3.6/unittest/loader.py", line 92, in loadTestsFromTestCase
    loaded_suite = self.suiteClass(map(testCaseClass, testCaseNames))
File "/usr/lib/python3.6/unittest/suite.py", line 24, in __init__
    self.addTests(tests)
File "/usr/lib/python3.6/unittest/suite.py", line 57, in addTests
    for test in tests:
TypeError: __init__() takes 1 positional argument but 2 were given

def setUp(self):
    user_name = 'boris_the_blade'
    password = 'boris_the_sneaky_russian'
    self.client = Client()  # Django's TestCase already sets self.client so this line isn't required
    self.login_status = self.createUserAndLogin(user_name, password)