fix: IndexError on tts metrics (#1028)

livekit · Nov 2, 2024 · 670b2ae · 670b2ae
1 parent 5fb1e84
commit 670b2ae
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diff --git a/.changeset/unlucky-bananas-run.md b/.changeset/unlucky-bananas-run.md
@@ -0,0 +1,5 @@
+---
+"livekit-agents": patch
+---
+
+fix: IndexError on tts metrics
diff --git a/livekit-agents/livekit/agents/tts/tts.py b/livekit-agents/livekit/agents/tts/tts.py
@@ -176,6 +176,9 @@ def _emit_metrics():
             nonlocal start_time, audio_duration, ttfb, request_id
             duration = time.perf_counter() - start_time
 
+            if not self._mtc_pending_texts:
+                return
+
             text = self._mtc_pending_texts.pop(0)
             if not text:
                 return