Update agent.py

agent.py

@@ -17,7 +17,6 @@ from langchain_core.tools import tool
 from langchain.tools.retriever import create_retriever_tool
 from supabase.client import Client, create_client
 from sentence_transformers import SentenceTransformer
-from sentence_transformers import SentenceTransformer
 from langchain.embeddings.base import Embeddings
 from typing import List
 import numpy as np