Update app.py

app.py

@@ -254,12 +254,10 @@ def generate_code_snippet(llm_choice, embed_model_choice, node_parser_choice, re
     code_snippet += f"response_mode = '{response_mode}'\n\n"
 
     # Vector store initialization
-    if vector_store_choice == "Faiss":
-        code_snippet += "d = 1536\n"
-        code_snippet += "faiss_index = faiss.IndexFlatL2(d)\n"
-        code_snippet += "vector_store = FaissVectorStore(faiss_index=faiss_index)\n"
-    elif vector_store_choice == "Milvus":
-        code_snippet += "vector_store = MilvusVectorStore(dim=1536, overwrite=True)\n"
+    if vector_store_choice == "Pinecone":
+        code_snippet += "pc = Pinecone(api_key=os.environ['PINECONE_API_KEY'])\n"
+        code_snippet += "index = pc.Index('test')\n"
+        code_snippet += "vector_store = PineconeVectorStore(pinecone_index=index)\n"
     elif vector_store_choice == "Qdrant":
         code_snippet += "client = qdrant_client.QdrantClient(location=':memory:')\n"
         code_snippet += "vector_store = QdrantVectorStore(client=client, collection_name='sampledata')\n"