Update app.py

app.py

@@ -30,10 +30,10 @@ def load_llm():
     return HuggingFacePipeline(pipeline=pipe)
 
 def load_faiss_index():
-    index_path = "faiss_index/index.faiss"  # Update path to match the created index
+    index_path = "faiss_index/index.faiss"
     if not os.path.exists(index_path):
-        st.warning("FAISS index not found. Please create the index first.")
-        raise RuntimeError("FAISS index not found.")
+        st.error(f"FAISS index not found at {index_path}. Please ensure the file exists.")
+        raise RuntimeError(f"FAISS index not found at {index_path}.")
     
     try:
         faiss_index = faiss.read_index(index_path)