Update app.py

app.py

@@ -36,6 +36,7 @@ executor = ThreadPoolExecutor()
 summary_cache = {}
 
 def clean_text(text: str) -> str:
+    text = text.encode("utf-8", errors="ignore").decode("utf-8")
     text = re.sub(r'\s+', ' ', text)
     text = re.sub(r'\u2022\s*|\d\.\s+', '', text)
     text = re.sub(r'\[.*?\]|\(.*?\)', '', text)