update example and readme

Author: FoamyGuy

README.rst

@@ -105,9 +105,14 @@ Usage Example
     import time
     import board
     import displayio
-    import fourwire
     import adafruit_acep7in
 
+    # For 8.x.x and 9.x.x. When 8.x.x is discontinued as a stable release, change this.
+    try:
+        from fourwire import FourWire
+    except ImportError:
+        from displayio import FourWire
+
     displayio.release_displays()
 
     # This pinout works on a Feather RP2040 and may need to be altered for other boards.
@@ -117,7 +122,7 @@ Usage Example
     epd_reset = board.D11
     epd_busy = board.D12
 
-    display_bus = fourwire.FourWire(
+    display_bus = FourWire(
         spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
     )
 

examples/acep7in_simpletest.py

@@ -11,9 +11,15 @@
 import time
 import board
 import displayio
-import fourwire
 import adafruit_acep7in
 
+# For 8.x.x and 9.x.x. When 8.x.x is discontinued as a stable release, change this.
+try:
+    from fourwire import FourWire
+except ImportError:
+    from displayio import FourWire
+
+
 displayio.release_displays()
 
 # This pinout works on a Feather RP2040 and may need to be altered for other boards.
@@ -23,7 +29,7 @@
 epd_reset = board.D11
 epd_busy = board.D12
 
-display_bus = fourwire.FourWire(
+display_bus = FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )