witai-stt: small fix to check if result is empty

Fixes a rare condition when Wit.ai returns a NoneType. Resolves jasperproject#327.
huaiyudavid · Apr 29, 2015 · a692cbb · a692cbb
1 parent b71f4e2
commit a692cbb
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/client/stt.py b/client/stt.py
@@ -610,7 +610,9 @@ def transcribe(self, fp):
                                   exc_info=True)
             return []
         else:
-            transcribed = [text.upper()]
+            transcribed = []
+            if text:
+                transcribed.append(text.upper())
             self._logger.info('Transcribed: %r', transcribed)
             return transcribed