finally close reader

whisper-2023/hotwords.py

@@ -70,6 +70,7 @@ class Reader(threading.Thread):
 
    def run(self):
       log("Reader.run: start")
+      try:
          idx = [
             idx for idx,v in enumerate(
                sr.Microphone.list_microphone_names(),
@@ -82,6 +83,10 @@ class Reader(threading.Thread):
                except Exception as e:
                   if not "timed out" in str(e):
                      log("Reader.run: error:", e)
+      except Exception as e:
+         log("Reader.run panic:", e)
+         log("microphones:", sr.Microphone.list_microphone_names())
+      finally:
          self.outq.put(None)
       log("Reader.run: stop")