Update app.py

app.py

@@ -52,7 +52,7 @@ extract_zip(zip_path, extract_to)
 
 # Step 4: Load knowledge base
 if os.path.exists(extract_to):
-    db = load_knowledge_base(extract_to)
+    db = load_knowledge_base(os.path.join(extract_to, "Knowledge_Base"))
 else:
     st.error("❌ ZIP file not found or extraction failed.")
     st.stop()