code: def list_builds(self, field_selector=None, koji_task_id=None, running=None,
                      labels=None):
          
  
          if running:
              running_fs = ",".join(["status!={status}".format(status=status.capitalize())
                                    for status in BUILD_FINISHED_STATES])
              if not field_selector:
                  field_selector = running_fs
              else:
                  field_selector = ','.join([field_selector, running_fs])
          response = self.os.list_builds(field_selector=field_selector,
                                         koji_task_id=koji_task_id, labels=labels)
          serialized_response = response.json()
          build_list = []
          for build in serialized_response["items"]:
              build_list.append(BuildResponse(build, self))
  
          return build_list
docs: List builds with matching fields
  
          :param field_selector: str, field selector for Builds
          :param koji_task_id: str, only list builds for Koji Task ID
          :return: BuildResponse list