Added nltk resource download

app.py

@@ -7,6 +7,7 @@ from pytorch_lightning import seed_everything
 import spaces
 import gradio as gr
 import torch
+import nltk
 import numpy as np
 from PIL import Image, ImageDraw
 
@@ -196,6 +197,8 @@ def main():
     model.enable_xformers_memory_efficient_attention()
     model.enable_sequential_cpu_offload()
 
+    nltk.download('averaged_perceptron_tagger')
+
     with gr.Blocks(
             css=css,
             title="Bounded Attention demo",