old_contents: from .base import AuthenticationBase
  
  
  class Link(AuthenticationBase):
  
      def __init__(self, domain):
          self.domain = domain
  
      def unlink(self, access_token, user_id):
          return self.post(
              url='https://%s/unlink' % self.domain,
              data={
                  'access_token': access_token,
                  'user_id': user_id,
              },
              headers={'Content-Type': 'application/json'}
          )
  
new_contents: from .base import AuthenticationBase
  
  
  class Link(AuthenticationBase):
  
      """Link accounts endpoints.
  
      Args:
          domain (str): Your auth0 domain (e.g: username.auth0.com)
      """
  
      def __init__(self, domain):
          self.domain = domain
  
      def unlink(self, access_token, user_id):
          """Unlink an account.
          """
  
          return self.post(
              url='https://%s/unlink' % self.domain,
              data={
                  'access_token': access_token,
                  'user_id': user_id,
              },
              headers={'Content-Type': 'application/json'}
          )
  
subject: Add docstrings in Link class