From 401be3dd227fc5ea51ef190807cfe6f4f2d525b7 Mon Sep 17 00:00:00 2001
From: Aleksey Lim <alsroot@member.fsf.org>
Date: Tue, 09 Mar 2010 09:09:13 +0000
Subject: Workaround for #1801

---
(limited to 'espeak_gst.py')

diff --git a/espeak_gst.py b/espeak_gst.py
index 85cfa26..59fe2c0 100644
--- a/espeak_gst.py
+++ b/espeak_gst.py
@@ -25,6 +25,10 @@ RATE_DEFAULT = RATE_MAX/2
 
 class AudioGrabGst(espeak.BaseAudioGrab):
     def speak(self, status, text):
+        # XXX workaround for http://bugs.sugarlabs.org/ticket/1801
+        if not [i for i in text if i.isalnum()]:
+            return
+
         self.make_pipeline('espeak name=espeak ! wavenc')
         src = self.pipeline.get_by_name('espeak')
 
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