Edit to use chained context manager statements

Author: tekktrik

adafruit_macropad.py

@@ -887,17 +887,15 @@ def play_file(self, file_name):
         if file_name.lower().endswith(".wav"):
             with audiopwmio.PWMAudioOut(
                 board.SPEAKER
-            ) as audio:  # pylint: disable=not-callable
-                with open(file_name, "rb") as audio_file:
+            ) as audio, open(file_name, "rb") as audio_file: # pylint: disable=not-callable
                     wavefile = audiocore.WaveFile(audio_file)
                     audio.play(wavefile)
                     while audio.playing:
                         pass
         elif file_name.lower().endswith(".mp3"):
             with audiopwmio.PWMAudioOut(
                 board.SPEAKER
-            ) as audio:  # pylint: disable=not-callable
-                with open(file_name, "rb") as audio_file:
+            ) as audio, open(file_name, "rb") as audio_file: # pylint: disable=not-callable
                     mp3file = audiomp3.MP3Decoder(audio_file)
                     audio.play(mp3file)
                     while audio.playing: