code: def __init__(self, period, key):
      self._period = period
      self._key = key
  
imports: import numpy
  from collections import deque
  from ..compat import tfv1
  from ..tfutils.common import get_op_tensor_name
  from ..utils import logger
  from ..utils.naming import MOVING_SUMMARY_OPS_KEY
  from .base import Callback
label_desc: Use image node_id 1 to create a new MergeAllSummaries_RunWithOp object from inherited base classes: Callback with example: obj = MergeAllSummaries_RunWithOp(period, key)