Convert any multi-row headers to single row before display #369

	name: tests

	on: [push]

	jobs:
	tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python: ["3.10"]
	steps:
	- uses: actions/checkout@v4
	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python }}
	- name: Install poppler (required by pdf2image/unstructured)
	run: sudo apt install -y poppler-utils
	- name: Install tesseract (required by unstructured)
	run: sudo apt install -y tesseract-ocr
	- name: Install tox
	run: pip install tox
	- name: Run tox
	run: tox -e py

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