commit b4c75c750e04f8b45acde60a5d2420b48e4f701c
author Dmitry Kovalev <dkovalev@google.com> Wed Mar 03 16:51:38 2021 -0800
committer Dmitry Kovalev <dkovalev@google.com> Wed Mar 03 16:51:38 2021 -0800
tree d7a9737d642ed6120a7f23ae692e4aa65b891630
parent 84acb5b810896f8737642cadc32cff566bf25bcc

Handle non-blocking case

Change-Id: I8b5642c39a68c9d20c07dce7f9a86661ddcf03ca

voice.py

diff --git a/voice.py b/voice.py
index 0bdfd8a..f703fe1 100644
--- a/voice.py
+++ b/voice.py
@@ -235,9 +235,12 @@
     return True
 
   def next(self, block=True):
-    result = self._queue.get(block)
-    self._queue.task_done()
-    return result
+    try:
+      result = self._queue.get(block)
+      self._queue.task_done()
+      return result
+    except queue.Empty:
+      return None
 
 VOICE_MODEL = 'voice_commands_v0.7_edgetpu.tflite'
 VOICE_LABELS = 'labels_gc2.raw.txt'