Update app.py

app.py

@@ -1,6 +1,7 @@
 import gradio as gr
 from gpt4all import GPT4All
 from huggingface_hub import hf_hub_download
+import os
 
 title = "Mistral-7B-Instruct-GGUF Run On CPU-Basic Free Hardware"
 
@@ -10,20 +11,23 @@ description = """
 Mistral does not support system prompt symbols (such as `<<SYS>>`) now, input your system prompt in the first message if needed. Learn more: [Guardrailing Mistral 7B](https://docs.mistral.ai/usage/guardrailing). 
 """
 
-model_path = "models"
+# Combine model path
+model_dir = "models"
 model_name = "unsloth.Q4_K_M.gguf"
+model_path = os.path.join(model_dir, model_name)
 
-# Download the model from Hugging Face
+# Download model if not already present
 hf_hub_download(
     repo_id="vislupus/bulgarian-joke-master-gemma-2-2b-it-bnb-4bit-gguf",
     filename=model_name,
-    local_dir=model_path
+    local_dir=model_dir
 )
 
 print("Start the model init process")
-model = GPT4All(model_name, model_path)
+model = GPT4All(model_path)  # Pass the full model path as a single argument
 print("Finish the model init process")
 
+# Model configuration
 model.config["promptTemplate"] = "[INST] {0} [/INST]"
 model.config["systemPrompt"] = ""
 model._is_chat_session_activated = False