May 3, 2023 — I have pdf2image installed, Doppler in PATH. I used the code at PDFPageCountError: Unable to get page count. May 26, 2023 — I have the latest documentation installed. That's a major step up. May 23, 2023 — Got the new pdf2image and poppler-utils installed. The new documentation is awesome. Apr 15, 2023 — Finally, the Doppler documentation for Python 3 is available, in a new book.