TypeError: 'Bbox' object is not subscriptable

[simjak]

I was running the

text_from_pdf: str = plain_text_output(
            pdf_path=str(pdf_file), sort=True, hyphens=True
        )

  File "src/embeddings.py", line 53, in <module>
    text_from_pdf: str = plain_text_output(
                         ~~~~~~~~~~~~~~~~~^
        pdf_path=str(pdf_file), sort=True, hyphens=True
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File ".venv/lib/python3.13/site-packages/pdftext/extraction.py", line 68, in plain_text_output
    text = paginated_plain_text_output(pdf_path, sort=sort, hyphens=hyphens, page_range=page_range, workers=workers, flatten_pdf=flatten_pdf)
  File ".venv/lib/python3.13/site-packages/pdftext/extraction.py", line 76, in paginated_plain_text_output
    text.append(merge_text(page, sort=sort, hyphens=hyphens).strip())
                ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File ".venv/lib/python3.13/site-packages/pdftext/postprocessing.py", line 97, in merge_text
    page["blocks"] = sort_blocks(page["blocks"])
                     ~~~~~~~~~~~^^^^^^^^^^^^^^^^
  File ".venv/lib/python3.13/site-packages/pdftext/postprocessing.py", line 80, in sort_blocks
    group_key = round(bbox[1] / tolerance) * tolerance
                      ~~~~^^^
TypeError: 'Bbox' object is not subscriptable

[simjak]

PR #27

[VikParuchuri]

Thanks for the fix!