Update app.py

app.py

@@ -57,8 +57,8 @@ async def answer(uploaded_files: list[gr.FileData], question: str) -> str:
             reader = PdfReader(file_obj.name)
         except Exception as e:
             return f"❗ Error reading {file_obj.name}: {e}"
-        if len(reader.pages) > 20:
-            return f"❗ {Path(file_obj.name).name} has {len(reader.pages)} pages (>20)."
+        if len(reader.pages) > 50:
+            return f"❗ {Path(file_obj.name).name} has {len(reader.pages)} pages (>50)."
 
         # 2) Copy PDF into user_data
         dest = Path("./user_data") / Path(file_obj.name).name