Update app.py

app.py

@@ -300,7 +300,7 @@ def generate_poster(deputy_name, message_1, message_2, vote_id_list):
     pdf_filename = pdfposter.generate_poster(vote_id_list, message_1, message_2)
     
     # Move the PDF to a known location
-    static_dir = './static/'
+    static_dir = '/data'
     os.makedirs(static_dir, exist_ok=True)
     static_pdf_path = os.path.join(static_dir, pdf_filename)
     os.rename(pdf_filename, static_pdf_path)