Merge pull request #136 from FoamyGuy/8.x_compatibility

8.x backward compatibility

displayio/__init__.py

@@ -18,6 +18,8 @@
 """
 import threading
 from typing import Union
+
+import fourwire
 from busdisplay import BusDisplay
 from busdisplay._displaybus import _DisplayBus
 from epaperdisplay import EPaperDisplay
@@ -30,6 +32,11 @@
 from ._tilegrid import TileGrid
 from ._constants import CIRCUITPY_DISPLAY_LIMIT
 
+# 8.x Backwards compatibility, remove at 10.x or
+# when compatibility is removed from core displayio
+Display = BusDisplay
+FourWire = fourwire.FourWire
+
 __version__ = "0.0.0+auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git"