code: def on_pipeline_event(caller, event):
      assert not isinstance(
          event, cellprofiler_core.pipeline.event.LoadException
      )
  
imports: import numpy
  import six.moves
  import cellprofiler_core.image
  import cellprofiler_core.measurement
  import cellprofiler_core.measurement
  import cellprofiler_core.modules
  from cellprofiler_core.constants.measurement import FF_COUNT, COLTYPE_INTEGER, M_LOCATION_CENTER_X, COLTYPE_FLOAT, M_LOCATION_CENTER_Y, M_NUMBER_OBJECT_NUMBER, FF_CHILDREN_COUNT, FF_PARENT, R_FIRST_IMAGE_NUMBER, R_SECOND_IMAGE_NUMBER, R_FIRST_OBJECT_NUMBER, R_SECOND_OBJECT_NUMBER
  import cellprofiler.modules.identifytertiaryobjects
  import cellprofiler_core.object
  import cellprofiler_core.pipeline
  import cellprofiler_core.workspace
  import tests.frontend.modules
label_desc: Use image node_id 1 for calling a global function with example usage: on_pipeline_event(caller, event) without return types