Update app.py

app.py

@@ -54,7 +54,12 @@ def url_to_audio_summary(url):
         if article_text.startswith("Error"):
             return article_text, None
 
-        summary = summary_chain.run(text=article_text)
+        # Truncate for model's 512-token limit
+        if len(article_text) > 1500:
+            article_text = article_text[:1500] + "..."
+        
+        summary = summary_chain.invoke({"text": article_text})
+        summary = summary["text"] if isinstance(summary, dict) and "text" in summary else summary
 
         audio_path = generate_human_like_audio(summary)
         if not audio_path: