+elif detector.chip.CV1800B:
+    from adafruit_blinka.microcontroller.cv1800b.pin import Pin
+elif (
+    "BLINKA_FORCECHIP" in os.environ
+    and os.environ["BLINKA_FORCEBOARD"] == "GENERIC_AGNOSTIC_BOARD"
+):
+    from adafruit_blinka.microcontroller.generic_agnostic_board.pin import Pin