code: def delete_collaborator(self, email):
          
          args = {
              'project_id': self.id,
              'email': email,
          }
          _perform_command(self.owner, 'delete_collaborator', args)
docs: Remove a collaborating user from the shared project.
  
          :param email: The collaborator's email address.
          :type email: str
  
          >>> from pytodoist import todoist
          >>> user = todoist.login('john.doe@gmail.com', 'password')
          >>> project = user.get_project('PyTodoist')
          >>> project.delete_collaborator('jane.doe@gmail.com')