Update app.py

app.py

@@ -4,7 +4,8 @@ import subprocess
 import gradio as gr
 def fetch_bibtex(arxiv_link):
     # Extract the arXiv ID from the link
-    arxiv_id = re.findall(r'arxiv\.org\/abs\/([\w\.]+)', arxiv_link)[0]
+    arxiv_id =  re.findall(r'arxiv\.org\/(?:abs|pdf)\/([\w\.]+)', arxiv_link)[0]
+
     
     # Use an API or web scraping method to fetch the BibTeX
     # For simplicity, here's a placeholder for the BibTeX entry