class_docstr: Run an Op. 
class_docstr_tok: ["Run","an","Op","."]
code: def _trigger(self):
      if self.run_as_trigger:
          self._print()
          self._op.run()
  
imports: import numpy
  import os
  from ..compat import tfv1
  from ..tfutils.common import get_op_tensor_name
  from ..utils import logger
  from .base import Callback
label_desc: Use image node_id 4 for calling the RunOp obj's underlying member method code with example usage: obj._trigger() without return types