docstr: format_dict : dictionary for format strings to be used.
  formatter : fall-back formatter
docstr_tok: ["format_dict",":","dictionary","for","format","strings","to","be","used",".","formatter",":","fall-back","formatter"]
code: def __init__(self, format_dict, formatter=None):
      """
      format_dict : dictionary for format strings to be used.
      formatter : fall-back formatter
      """
      super().__init__()
      self._format_dict = format_dict
      self._fallback_formatter = formatter
  
imports: import numpy
  from matplotlib import ticker
  from matplotlib.transforms import Bbox, Transform
label_desc: Use image node_id 1 to create a new DictFormatter object  with example: obj = DictFormatter(format_dict, formatter)