class_docstr: A HandlerMixing class
  
  This class offers some basic functionality for the Handlers.
docstr: Backward-compatible helper method to combine two dicts
docstr_tok: ["Backward-compatible","helper","method","to","combine","two","dicts"]
code: def _merge_dicts(self, *dict_args):
      """Backward-compatible helper method to combine two dicts"""
      result = {}
      for dictionary in dict_args:
          result.update(dictionary)
      return result
  
imports: import inspect
  import logging
  import numpy
  import math
  from copy import copy
  from ..utils.reporter import Reporter
label_desc: Use image node_id 1 for calling the HandlerMixin obj's underlying member method code with example usage: obj._merge_dicts() and returns: result