Refactor imports in app.py and add requirements.txt for dependencies

app.py

@@ -1,16 +1,10 @@
 import gradio as gr
 import spaces
-from huggingface_hub import InferenceClient, login
+from huggingface_hub import login
 import accelerate
-from transformers import pipeline, AutoModelForCausalLM, AutoTokenizer, BitsAndBytesConfig, TextIteratorStreamer
-import numpy as np
-import tempfile
+from transformers import AutoModelForCausalLM, AutoTokenizer, BitsAndBytesConfig, TextIteratorStreamer
 import os
-from threading import Thread
 import torch
-from rdflib import Graph, Namespace, URIRef, Literal
-from rdflib.namespace import RDF, RDFS, OWL
-from time import time
 from typing import Optional
 
 

requirements.txt

@@ -0,0 +1,3 @@
+accelerate
+transformers
+torch