Update app.py

app.py

@@ -172,9 +172,9 @@ def create_vector_database(loaded_documents):
         persist_directory=persist_directory
         # persist_directory=DB_DIR,
     )
-    # db.persist()
-    db = Chroma(persist_directory=persist_directory, 
-                  embedding_function=embedding)
+    db.persist()
+    # db = Chroma(persist_directory=persist_directory, 
+    #               embedding_function=embedding)
     return db
 
 def set_custom_prompt_condense():