code: def run(self, args):
          
          email = args.email                # email of person to remove permissions from (None if username specified)
          username = args.username          # username of person to remove permissions from (None if email is specified)
          project = self.fetch_project(args, must_exist=True, include_children=False)
          user = self.remote_store.lookup_or_register_user_by_email_or_username(email, username)
          self.remote_store.revoke_user_project_permission(project, user)
          print(u'Removed permissions from user {} for project {}.'.format(user.full_name, project.name))
docs: Remove permissions from the user with user_full_name or email on the remote project with project_name.
          :param args Namespace arguments parsed from the command line