Import typing for all modules, satisfy pylint

Author: FlantasticDan

adafruit_max7219/matrices.py

@@ -11,6 +11,7 @@
 
 try:
     # Used only for typing
+    import typing  # pylint: disable=unused-import
     import digitalio
     import busio
 except ImportError:

adafruit_max7219/max7219.py

@@ -45,6 +45,7 @@
 
 try:
     # Used only for typing
+    import typing  # pylint: disable=unused-import
     import busio
 except ImportError:
     pass