Comment 10 for bug 1852036

Creating PDF Output...
Converting input as a text based book...
Removed 21 duplicated Type3 glyphs
Flate Decoding Error from ZLib: -3
Python function terminated unexpectedly: ZLib returned an error.
File: /private/var/folders/zh/1fvsg_vj5zj7b8zmc01hyyb00000gn/T/t/podofo-sb0y8l3z/src/base/PdfFiltersPrivate.cpp Line: 589

Traceback (most recent call last):
  File "/Applications/calibre.app/Contents/Resources/Python/lib/python2.7/site.py", line 163, in main
    return run_entry_point()
  File "/Applications/calibre.app/Contents/Resources/Python/lib/python2.7/site.py", line 121, in run_entry_point
    return getattr(pmod, func)()
  File "site-packages/calibre/utils/ipc/worker.py", line 208, in main
  File "site-packages/calibre/gui2/convert/gui_conversion.py", line 43, in gui_convert_override
  File "site-packages/calibre/gui2/convert/gui_conversion.py", line 28, in gui_convert
  File "site-packages/calibre/ebooks/conversion/plumber.py", line 1275, in run
  File "site-packages/calibre/ebooks/conversion/plugins/pdf_output.py", line 188, in convert
  File "site-packages/calibre/ebooks/conversion/plugins/pdf_output.py", line 255, in convert_text
  File "site-packages/calibre/ebooks/pdf/html_writer.py", line 1223, in convert
Error: ZLib returned an error.
File: /private/var/folders/zh/1fvsg_vj5zj7b8zmc01hyyb00000gn/T/t/podofo-sb0y8l3z/src/base/PdfFiltersPrivate.cpp Line: 589