Update agent.py

agent.py

@@ -48,8 +48,8 @@ sys_msg = SystemMessage(content=system_prompt)
 # build a retriever
 embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/all-MiniLM-L6-v2") #  dim=384
 supabase: Client = create_client(
-    os.environ.get("SUPABASE_URL"), 
-    os.environ.get("SUPABASE_SERVICE_KEY"))
+    SUPABASE_URL, 
+    SUPABASE_SERVICE_ROLE_KEY)
 
 vector_store = SupabaseVectorStore(
     client = supabase,