Merge pull request #36 from dhalbert/no-auto-brightness

handle no .auto-brightness

Author: dhalbert

adafruit_pyoa.py

@@ -87,7 +87,10 @@ def __init__(self) -> None:
         self._background_file = None
         self._wavfile = None
 
-        self._display.auto_brightness = False
+        try:
+            self._display.auto_brightness = False
+        except AttributeError:
+            pass
         self.backlight_fade(0)
         self._display.show(self.root_group)
         self.touchscreen = None