Update main.py

main.py

@@ -125,8 +125,8 @@ async def chat_with_document(data: ChatInput):
         if not retriever:
             return {"error": "Failed to create retriever or document not found"}
         
-        # Get relevant chunks based on similarity
-        relevant_chunks = retriever.get_relevant_documents(data.message)
+        # ⭐ FIX 1: Use invoke instead of deprecated get_relevant_documents
+        relevant_chunks = await retriever.ainvoke(data.message)
         
         if not relevant_chunks:
             return {
@@ -168,6 +168,7 @@ async def chat_with_document(data: ChatInput):
         print(f"❌ Chat error: {e}")
         return {"error": f"Chat failed: {str(e)}"}
 
+
 @app.get("/debug_pinecone/{document_id}")
 async def debug_pinecone_storage(document_id: str):
     """Debug what's actually stored in Pinecone for a document"""