update

app.py

@@ -18,6 +18,7 @@ from src.prompts import wrap_prompt
 from gradio_highlightedtextbox import HighlightedTextbox
 from examples import run_example_1, run_example_2, run_example_3, run_example_4, run_example_5, run_example_6
 from functools import partial
+nltk.download('punkt')
 
 # Load original app constants
 APP_TITLE = '<div class="app-title"><span class="brand">AttnTrace: </span><span class="subtitle">Attention-based Context Traceback for Long-Context LLMs</span></div>'