app.py: cut off, if the input is too long

app.py

@@ -89,6 +89,8 @@ def main():
                 logging.info("text or speaker are not provided")
                 return None
             global tts
+            if len(text_str) > 1024:
+                text_str = text_str[:1024]
             samples = cast(TTS, tts).synthesize(text_str, speaker_str)
             return gr.Audio.update(value=(24000, samples))