code: def remove_release(self, username, package_name, version):
          '''
          remove a release and all files under it
  
          :param username: the login of the package owner
          :param package_name: the name of the package
          :param version: the name of the package
          '''
          url = '%s/release/%s/%s/%s' % (self.domain, username, package_name, version)
          res = self.session.delete(url)
          self._check_response(res, [201])
          returf remove_release(self, username, package_name, version):
          '''
          remove a release and all files under it
  
          :param username: the login of the package owner
          :param package_name: the name of the package
          :param version: the name of the package
          '''
          url = '%s/release/%s/%s/%s' % (self.domain, username, package_name, version)
          res = self.session.delete(url)
          self._check_response(res, [201])
          return
docs: remove a release and all files under it
  
          :param username: the login of the package owner
          :param package_name: the name of the package
          :param version: the name of the package