Update app.py

app.py

@@ -35,9 +35,7 @@ def respond(
     #system_message,
     max_tokens,
     temperature,
-    top_p,
-    vectordb,
-    embedding_model):
+    top_p):
 
     # define retriever object
     retriever = vectordb.as_retriever(search_type="similarity", search_kwargs={"k": 5})