+elif chip_id == ap_chip.RP2040_U2IF:
+ from adafruit_blinka.microcontroller.rp2040_u2if.pin import *
+elif "sphinx" in sys.modules:
+ # pylint: disable=unused-import
+ from adafruit_blinka.microcontroller.generic_micropython import Pin
+elif chip_id == None:
+ print("WARNING: chip_id == None is not fully supported. Some features may not work.")
+ from adafruit_blinka.microcontroller.generic_micropython import Pin