code: def __call__(self, direction, factor, values):
      return self._fmt.format_ticks(values)
  
imports: import numpy
  from matplotlib import ticker
  from matplotlib.transforms import Bbox, Transform
label_desc: Use image node_id 2 for calling the FormatterPrettyPrint obj's underlying member method code with example usage: obj.__call__(direction, factor, values) and returns: self