Update app.py

app.py

@@ -85,8 +85,8 @@ vector_store.populate_vectors(dataset=None)
 
 # load model orca-mini general purpose model
 model_name = 'mistral-7b-openorca.gguf2.Q4_0.gguf'
-model_path = Path.home() / '.cache' / 'gpt4all'
-model = GPT4All(model_name=model_name, model_path=model_path)
+tokenizer = AutoTokenizer.from_pretrained(model_name)
+model = AutoModelForCausalLM.from_pretrained(model_name)
 
 # Define the chatbot response function
 def chatbot_response(user_input):