Fix for absolute package imports

Author: fmalina

.github/workflows/pdf2htmlex-python-app.yml

@@ -19,6 +19,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install ruff uv
+        pip install pdftranscript  # TODO test relative imports
         sudo apt update && sudo apt install -y libfontconfig1 libcairo2 libjpeg-turbo8 ttfautohint
         wget https://github.com/pdf2htmlEX/pdf2htmlEX/releases/download/v0.18.8.rc1/pdf2htmlEX-0.18.8.rc1-master-20200630-Ubuntu-bionic-x86_64.deb
         sudo apt install ./pdf2htmlEX-0.18.8.rc1-master-20200630-Ubuntu-bionic-x86_64.deb