ffmpeg fix

app.py

@@ -49,12 +49,9 @@ def convert_to_wav(path):
   if path[-3:] != 'wav':
     new_path = '.'.join(path.split('.')[:-1]) + '.wav'
     try:
-      subprocess.call(['ffmpeg', '-i', path, '-c', 'copy', new_path, '-y'])
+      subprocess.call(['ffmpeg', '-i', path, new_path, '-y'])
     except:
-      try:
-        subprocess.call(['ffmpeg', '-i', path, new_path, '-y'])
-      except:
-        return path, 'Error: Could not convert file to .wav'
+      return path, 'Error: Could not convert file to .wav'
     path = new_path
   return path, None