Minor fix

app.py

@@ -69,7 +69,7 @@ def inference(query):
     lance_docs = lance_db.similarity_search(query)
     lance_answer = chain.invoke({"context":lance_docs, "question": query}, return_only_outputs=True)
 
-    pinecone_db = PineconeVectorStore(index="langchain-test-index", embedding=embeddings)
+    pinecone_db = PineconeVectorStore(index_name=index_name, embedding=embeddings)
     pinecone_docs = pinecone_db.similarity_search(query)
     pinecoce_answer = chain.invoke({"context":pinecone_docs, "question": query}, return_only_outputs=True)