code: def abort_command(self):
      self._send(AbortCommandRequest())
  
imports: import abc
  import threading
  from horovod.runner.common import util
  from horovod.runner.common.util import network, safe_shell_exec, timeout
  from horovod.runner.util.streams import Pipe
  from horovod.runner.util.threads import in_thread
label_desc: Use image node_id 4 for calling the BasicTaskClient obj's underlying member method code with example usage: obj.abort_command() without return types