Port transform module to use 'pypdf' back-end #117

	name: Tests

	on:
	push:
	pull_request:

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]

	name: Python ${{ matrix.python-version }} (${{ matrix.os }})

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	# cache: 'pip'

	- name: Display Python version
	run: python -c "import sys; print(sys.version)"

	- name: Upgrade package installers
	run: python -m pip install --upgrade pip setuptools wheel

	- name: Install dependencies
	run: python -m pip install -r requirements.txt

	- name: Install pdfconduit package
	run: python -m pip install -e .

	- name: Run tests
	run: python -m unittest tests/*.py

Provide feedback