old_contents: from simphony.models import Subcircuit
  from simphony.simulators import SweepSimulator
  
  
  def get_transmission(
      subcircuit: Subcircuit,
      pin_in: str = "o1",
      pin_out: str = "o2",
      start: float = 1500e-9,
      stop: float = 1600e-9,
      num: int = 2000,
  ):
      """Return transmission for a circuit.
  
      Args:
          circuit:
          pin_in: input pin
          pin_out: output pin
          start: start wavelength (m)
          stop: stop wavelength (m)
          num: number of points
  
      """
      simulation = SweepSimulator(start, stop, num)
      simulation.multiconnect(subcircuit.circuit.pins[0], subcircuit.circuit.pins[-1])
      w, s = simulation.simulate()
      w *= 1e9
  
      return dict(wavelengths=w, s=s)
  
new_contents: from simphony.models import Subcircuit
  from simphony.simulators import SweepSimulator
  
  
  def get_transmission(
      subcircuit: Subcircuit,
      pin_in: str = "o1",
      pin_out: str = "o2",
      start: float = 1500e-9,
      stop: float = 1600e-9,
      num: int = 2000,
  ):
      """Return transmission for a circuit.
  
      Args:
          circuit:
          pin_in: input pin
          pin_out: output pin
          start: start wavelength (m)
          stop: stop wavelength (m)
          num: number of points
  
      """
      simulation = SweepSimulator(start, stop, num)
      simulation.multiconnect(
          subcircuit.circuit.pins[pin_in], subcircuit.circuit.pins[pin_out]
      )
      w, s = simulation.simulate()
      w *= 1e9
  
      return dict(wavelengths=w, s=s)
  
subject: Edit pin reference statement