Merge branch 'main' into main

diff --cc src/board.py
index 16f501720c1b61224455dfd183ab057be9c34bc6,8915316130a074a862c0564dcfda36dea0df53a3..62af7637fb58eb6e136a7e04ef3e0e69cf7d0935
--- 1/src/board.py
--- 2/src/board.py
+++ b/src/board.py
@@@ -388,13 -390,7 +390,10 @@@ elif board_id == ap_board.LICHEEPI_4A
  elif board_id == ap_board.MILKV_DUO:
      from adafruit_blinka.board.milkv_duo import *
  
- elif (
-     "BLINKA_FORCECHIP" in os.environ
-     and os.environ["BLINKA_FORCEBOARD"] == "GENERIC_AGNOSTIC_BOARD"
- ):
 +elif board_id == ap_board.WALNUT_PI_1B:
 +    from adafruit_blinka.board.walnutpi.walnutpi1b import *
 +
+ elif board_id == ap_board.OS_AGNOSTIC_BOARD:
      from adafruit_blinka.board.generic_agnostic_board import *
  
  elif "sphinx" in sys.modules: