Import the MacOS toolbox modules from the Carbon package.
diff --git a/Mac/Lib/Audio_mac.py b/Mac/Lib/Audio_mac.py
index 14f825e..d8b327b 100644
--- a/Mac/Lib/Audio_mac.py
+++ b/Mac/Lib/Audio_mac.py
@@ -40,11 +40,11 @@
 
 	def writeframes(self, data):
 		import time
-		from Sound import bufferCmd, callBackCmd, extSH
+		from Carbon.Sound import bufferCmd, callBackCmd, extSH
 		import struct
 		import MacOS
 		if not self._chan:
-			import Snd
+			from Carbon import Snd
 			self._chan = Snd.SndNewChannel(5, 0, self._callback)
 		nframes = len(data) / self._nchannels / self._sampwidth
 		if len(data) != nframes * self._nchannels * self._sampwidth: