code: def _fv_dispatcher(rate, nper, pmt, pv, when=None):
      return (rate, nper, pmt, pv)
  
imports: from __future__ import division, absolute_import, print_function
  from decimal import Decimal
  import functools
  import numpy
  from numpy.core import overrides
label_desc: Use image node_id 2 for calling a global function with example usage: _fv_dispatcher(rate, nper, pmt, pv, when) and returns: rate,  nper,  pmt,  pv