code: def i_from_v(self, resistance_shunt, resistance_series, nNsVth, voltage,
                   saturation_current, photocurrent):
          
          return i_from_v(resistance_shunt, resistance_series, nNsVth, voltage,
                          saturation_current, photocurrent)
docs: Wrapper around the :py:func:`i_from_v` function.
  
          Parameters
          ----------
          See pvsystem.i_from_v for details
  
          Returns
          -------
          See pvsystem.i_from_v for details