Resolved error: PDFDocument object has no attribute 'render'

[Aniruddha521]

As pypdfium2 does not render pages at the document level rather it is done at the page level
Hence the below change will fix the issue
From

renderer = pdf.render(
            pypdfium2.PdfBitmap.to_pil,
            page_indices=pages,
            scale=dpi / 72,
        )
for i, image in zip(pages, renderer):

to

images = []
for idx in pages:
     page = pdf.get_page(idx)

      pil_image = page.render(
          scale = dpi / 72,
          rotation = 0,
       ).to_pil()

      images.append(pil_image)
      page.close()
for i, image in zip(pages, images):

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