class_docstr: Callable that weakly references a method and the object it is bound to. It
  is based on https://stackoverflow.com/a/24287465.
  
  Arguments:
  
      object_dot_method: A bound instance method (i.e. 'object.method').
docstr: Calls the method on target with args and kwargs.
code: def __call__(self, *args, **kwargs):
      """
      Calls the method on target with args and kwargs.
      """
      return self.method()(self.target(), *args, **kwargs)
  
file_path: kafka-python/kafka/util.py
imports: from __future__ import absolute_import
  import binascii
  import weakref
  from kafka.vendor import six
label_desc: Use image node_id 2 for calling the WeakMethod obj's underlying member method code with example usage: obj.__call__() and returns: self