class_docstr: An equivalent of :class:`SendMonitorData`, but as a normal callback. 
code: def __init__(self, command, names):
      self.command = command
      if not isinstance(names, list):
          names = [names]
      self.names = names
  
imports: import numpy
  import os
  import time
  from collections import deque
  from ..utils import logger
  from ..utils.utils import humanize_time_delta
  from .base import Callback
label_desc: Use image node_id 1 to create a new SendStat object from inherited base classes: Callback with example: obj = SendStat(command, names)