Update app.py

app.py

@@ -56,6 +56,9 @@ def main():
         if st.button('Show PDF'):
             st.session_state.pdf_path = pdf_path
 
+        if st.download_button(label="Download PDF", data=open(pdf_path, 'rb').read(), file_name=pdf_path.split("/")[-1]):
+            pass
+
     if "pdf_path" in st.session_state:
         pdf_path = st.session_state.pdf_path
         display_pdf(pdf_path)