code: def __call__(self, *args):
      fn = getattr(self.target, self.fn_name)
      ret = fn(*args)
      return ret
  
imports: import math
  from packaging.version import parse
  import numpy
  import matplotlib.ticker
  import matplotlib.units
label_desc: Use image node_id 2 for calling the PassThroughProxy obj's underlying member method code with example usage: obj.__call__() and returns: ret