You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

pdf-docx-pic
3.1.1.2023.6.19.16.49.50

This version was deleted from PyPI around 2023-10-02. Installing fails with:
$ pip3 install pdf-docx-pic==3.1.1.2023.6.19.16.49.50 ERROR: Could not find a version that satisfies the requirement pdf-docx-pic==3.1.1.2023.6.19.16.49.50
View other deleted versions of pdf-docx-pic

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2023-10-01/ \ pdf-docx-pic==3.1.1.2023.6.19.16.49.50
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
pdf_docx_pic-3.1.1.2023.6.19.16.49.50-cp26.cp27.cp33.cp34.cp35.cp36.cp37.cp38.cp39.cp310.cp311.pp27.pp37.pp38.pp39.pp310-none-any.whl (4.6KB)
pdf-docx-pic-3.1.1.2023.6.19.16.49.50.tar.gz (3.9KB)