put back the pullups

Author: caternuson

adafruit_character_lcd/character_lcd_rgb_i2c.py

@@ -84,7 +84,7 @@ def __init__(self, i2c, columns, lines):
         on the display.
         """
         from adafruit_mcp230xx.mcp23017 import MCP23017
-        mcp = MCP2317(i2c)
+        mcp = MCP23017(i2c)
 
         self._left_button = mcp.get_pin(4)
         self._up_button = mcp.get_pin(3)
@@ -95,6 +95,9 @@ def __init__(self, i2c, columns, lines):
         self._buttons = [self._left_button, self._up_button, self._down_button, self._right_button,
                          self._select_button]
 
+        for pin in self._buttons:
+            pin.switch_to_input(pull=digitalio.Pull.UP)
+
         super().__init__(mcp.get_pin(15),
                          mcp.get_pin(13),
                          mcp.get_pin(12),