def _get_fundef(fn):
  c = fn.__class__ 
  if c is UntypedFn or c is TypedFn:
    return fn
  assert c is str, (fn, fn.type)  % "Unexpected function %s : %s"
  return UntypedFn.registry[fn]
dataset/ETHPy150Open iskandr/parakeet/parakeet/type_inference/helpers.py/_get_fundef/swapped operands of `%`