Update app.py

app.py

@@ -83,7 +83,7 @@ def create_conversational_chain(database):
         model_path = model_file
         print("Model file found in the directory. Using the local model file.")
     else:
-        model_path = model_name
+        model_path = "https://huggingface.co/TheBloke/Llama-2-7B-Chat-GGUF/blob/main/llama-2-7b-chat.Q8_0.gguf"
         print("Model file not found in the directory. Downloading the model from the repository.")
     #Load the model
     model = AutoModelForCausalLM.from_pretrained(model_path)