remove img upload button

app.py

@@ -172,12 +172,12 @@ def gradio_answer(chatbot, chat_state, img_list, num_beams, temperature):
 title = """
 <h1 align="center">Global-Local QFormer for Long Video Understanding with LLMs</h1>
 
-<h5 align="center">  Introduction: We introduce a Global-Local QFormer video model that is connected with a Large Language Model to understand \
+<h5 align="center">  Introduction: We introduce a Global-Local QFormer video model that is connected with a Large Language Model to understand
                     and answer questions about long videos. </h5> 
 
 <div style='display:flex; gap: 0.25rem; '>
-<a href='https://huggingface.co/spaces/rxtan/rxtan/Global-Local-QFormer-Video-LLM'><img src='https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-Spaces-blue'></a> 
-<a href=''><img src='https://img.shields.io/badge/Paper-PDF-red'></a>
+<a href='https://huggingface.co/spaces/rxtan/Global-Local-QFormer-Video-LLM'><img src='https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-Spaces-blue'></a> 
+<a href='https://cs-people.bu.edu/rxtan/projects/Global-Local-QFormer/pdf/CVPR_2024_paper.pdf'><img src='https://img.shields.io/badge/Paper-PDF-red'></a>
 </div>