Update app.py

app.py

@@ -30,7 +30,7 @@ chunks = process_giz_worldwide()
 temp_doc = create_documents(chunks,'chunks')
 ##### Embed and store docs, check if collection exist then you need to update the collection
 collection_name = "giz_worldwide"
-hybrid_embed_chunks(docs= temp_doc, collection_name = collection_name)
+hybrid_embed_chunks(docs=temp_doc, collection_name=collection_name, del_if_exists=True)
 
 ################### Hybrid Search ######################################################
 client = get_client()