Merge pull request adafruit#226 from adafruit/TheKitty-patch-2

Eliminate finding mac specific files

Author: kattni

Crickit_Sparky_Automaton/code.py

@@ -1,5 +1,5 @@
-import time
 import os
+import time
 import random
 import audioio
 from digitalio import DigitalInOut, Direction
@@ -9,7 +9,8 @@
 from busio import I2C
 import board
 
-wavefiles = [file for file in os.listdir("/") if file.endswith(".wav")]
+wavefiles = [file for file in os.listdir("/")
+             if (file.endswith(".wav") and not file.startswith("._"))]
 print("Audio files found: ", wavefiles)
 
 # Create seesaw object
@@ -33,6 +34,7 @@
 
 # Audio playback object and helper to play a full file
 a = audioio.AudioOut(board.A0)
+
 def play_file(wavfile):
     print("Playing", wavfile)
     with open(wavfile, "rb") as f:
@@ -46,5 +48,4 @@ def play_file(wavfile):
 
 while True:
     play_file(random.choice(wavefiles))
-
     time.sleep(3)