Labeled typing imports, updated import order

Author: FlantasticDan

adafruit_max7219/bcddigits.py

@@ -10,9 +10,10 @@
 from adafruit_max7219 import max7219
 
 try:
+    # Used only for typing
+    from typing import List
     import digitalio
     import busio
-    from typing import List
 except ImportError:
     pass
 

adafruit_max7219/matrices.py

@@ -10,6 +10,7 @@
 from adafruit_max7219 import max7219
 
 try:
+    # Used only for typing
     import digitalio
     import busio
 except ImportError:

adafruit_max7219/max7219.py

@@ -44,6 +44,7 @@
 import adafruit_framebuf as framebuf
 
 try:
+    # Used only for typing
     import busio
 except ImportError:
     pass