Move python-specific imports into a guard.

chime/sensor.py

@@ -1,14 +1,21 @@
 import datetime
-
-import board
-import busio
 import json
-import adafruit_ms8607 as ms8607
+import platform
 from time import sleep
 
 DELAY = 0.1
 
 
+def is_raspberry_pi() -> bool:
+    return platform.machine() in ("armv7l", "armv6l")
+
+
+if is_raspberry_pi():
+    import board
+    import busio
+    import adafruit_ms8607 as ms8607
+
+
 class Reading:
     def __init__(self, t, p, h, normal=False):
         if not normal: