From e38705ef5e4d083a256466591e52ffff141cbe4e Mon Sep 17 00:00:00 2001 From: Kovid Goyal Date: Tue, 29 Jul 2025 13:18:06 +0530 Subject: [PATCH] ... --- src/calibre/gui2/tts/piper.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/calibre/gui2/tts/piper.py b/src/calibre/gui2/tts/piper.py index ed25a33c38..94b760dde6 100644 --- a/src/calibre/gui2/tts/piper.py +++ b/src/calibre/gui2/tts/piper.py @@ -355,7 +355,7 @@ class Piper(TTSBackend): if err is not None: self._errors_from_piper.append(str(err)) self._errors_from_piper.append(tb) - else: + elif self._utterances_being_synthesized: u = self._utterances_being_synthesized[0] if u.id == sr.utterance_id: u.audio_data.append(sr.audio_data)