changed clear_background to hide_background

Author: seantibor

adafruit_pyportal.py

@@ -786,14 +786,14 @@ def fetch(self, refresh_url=None):
             return values[0]
         return values
 
-    def show_QR(self, qr_data, qr_size=1, x=0, y=0, clear_background=False):  # pylint: disable=invalid-name
+    def show_QR(self, qr_data, qr_size=1, x=0, y=0, hide_background=False):  # pylint: disable=invalid-name
         """Display a QR code on the TFT
 
         :param qr_data: The data for the QR code.
         :param int qr_size: The scale of the QR code.
         :param x: The x position of upper left corner of the QR code on the display.
         :param y: The y position of upper left corner of the QR code on the display.
-        :param clear_background: Show the QR code on a black background if True.
+        :param hide_background: Show the QR code on a black background if True.
 
         """
         import adafruit_miniqr
@@ -832,7 +832,7 @@ def show_QR(self, qr_data, qr_size=1, x=0, y=0, clear_background=False):  # pyli
         self._qr_group.x = x
         self._qr_group.y = y
         self._qr_group.append(qr_sprite)
-        if clear_background:
+        if hide_background:
             board.DISPLAY.show(self._qr_group)
             self._qr_only = True
         else: