code: def __call__(self, x, y, z, a=1, b=2):  # NOTE: *args, **kwds):
      return foo(x, y, z, a=a, b=b)
  
file_path: klepto/klepto/tests/test_validate.py
imports: import sys
  from functools import partial
  from klepto import validate
label_desc: Use image node_id 2 for calling the Bar obj's underlying member method code with example usage: obj.__call__(x, y, z, a, b) and returns: foo