Update app.py

app.py

@@ -99,11 +99,14 @@ def merge_pdfs(reordered_pages, uploaded_file):
     for page_data in reordered_pages:
       page = doc.load_page(page_data['page_index'])
       page.set_rotation(page_data['rotation'])
+      pix = page.get_pixmap(alpha=False)
+      pil_image = Image.frombytes("RGB", [pix.width, pix.height], pix.samples)
       temp_pdf_page = BytesIO()
-      page.get_pixmap(alpha=False).save(temp_pdf_page, "png")
+      pil_image.save(temp_pdf_page, "png")
       temp_pdf_page.seek(0)
       merger.append(temp_pdf_page)
 
+
     output_filename = "combined_document.pdf"
     with open(output_filename, "wb") as output_file:
         merger.write(output_file)