old_contents: import json
  
  from httpretty import HTTPretty
  
  from .oauth import OAuth2Test
  from .test_open_id_connect import OpenIdConnectTestMixin
  
  
  class VaultOpenIdConnectTest(OpenIdConnectTestMixin, OAuth2Test):
      backend_path = \
          'social_core.backends.vault.VaultOpenIdConnect'
      issuer = 'https://vault.example.net:8200/v1/identity/oidc/provider/default'
      openid_config_body = json.dumps({
        'issuer': 'https://vault.example.net:8200/v1/identity/oidc/provider/default',
        'jwks_uri': 'https://vault.example.net:8200/v1/identity/oidc/provider/default/.well-known/keys',
        'authorization_endpoint': 'https://vault.example.net:8200/ui/vault/identity/oidc/provider/default/authorize',
        'token_endpoint': 'https://vault.example.net:8200/v1/identity/oidc/provider/default/token',
        'userinfo_endpoint': 'https://vault.example.net:8200/v1/identity/oidc/provider/default/userinfo',
        'request_uri_parameter_supported': False,
        'grant_types_supported': [ 'authorization_code' ],
        'token_endpoint_auth_methods_supported': [ 'client_secret_basic' ],
      })
  
      expected_username = 'cartman'
  
      def extra_settings(self):
          settings = super().extra_settings()
          settings.update({
              f'SOCIAL_AUTH_{self.name}_OIDC_ENDPOINT': 'https://vault.example.net:8200/v1/identity/oidc/provider/default',
          })
          return settings
  
      def pre_complete_callback(self, start_url):
          super().pre_complete_callback(start_url)
          HTTPretty.register_uri('GET',
                                 uri=self.backend.userinfo_url(),
                                 status=200,
                                 body=json.dumps({'preferred_username': self.expected_username}),
                                 content_type='text/json')
  
      def test_everything_works(self):
          self.do_login()
  
new_contents: import json
  
  from httpretty import HTTPretty
  
  from .oauth import OAuth2Test
  from .test_open_id_connect import OpenIdConnectTestMixin
  
  
  class VaultOpenIdConnectTest(OpenIdConnectTestMixin, OAuth2Test):
      backend_path = \
          'social_core.backends.vault.VaultOpenIdConnect'
      issuer = 'https://vault.example.net:8200/v1/identity/oidc/provider/default'
      openid_config_body = json.dumps({
        'issuer': 'https://vault.example.net:8200/v1/identity/oidc/provider/default',
        'jwks_uri': 'https://vault.example.net:8200/v1/identity/oidc/provider/default/.well-known/keys',
        'authorization_endpoint': 'https://vault.example.net:8200/ui/vault/identity/oidc/provider/default/authorize',
        'token_endpoint': 'https://vault.example.net:8200/v1/identity/oidc/provider/default/token',
        'userinfo_endpoint': 'https://vault.example.net:8200/v1/identity/oidc/provider/default/userinfo',
        'request_uri_parameter_supported': False,
        'grant_types_supported': ['authorization_code'],
        'token_endpoint_auth_methods_supported': ['client_secret_basic'],
      })
  
      expected_username = 'cartman'
  
      def extra_settings(self):
          settings = super().extra_settings()
          settings.update({
              f'SOCIAL_AUTH_{self.name}_OIDC_ENDPOINT': 'https://vault.example.net:8200/v1/identity/oidc/provider/default',
          })
          return settings
  
      def pre_complete_callback(self, start_url):
          super().pre_complete_callback(start_url)
          HTTPretty.register_uri('GET',
                                 uri=self.backend.userinfo_url(),
                                 status=200,
                                 body=json.dumps({'preferred_username': self.expected_username}),
                                 content_type='text/json')
  
      def test_everything_works(self):
          self.do_login()
  
subject: fix flake8(E201)