fix(lammps): tolerate incomplete and commented dump frames #2496

	name: test Python import

	on:
	- push
	- pull_request

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v7
	- uses: actions/setup-python@v7
	with:
	python-version: '3.10'
	architecture: 'x64'
	- run: python -m pip install uv
	- run: python -m uv pip install --system .
	- name: Test core import and YAML serialization
	run: \|
	python - <<'PY'
	import tempfile
	from pathlib import Path

	import dpdata

	system = dpdata.System(
	"tests/poscars/POSCAR.h2o.md", fmt="vasp/poscar"
	)
	with tempfile.TemporaryDirectory() as tmpdir:
	filename = Path(tmpdir) / "system.yaml"
	system.dump(filename)
	loaded = dpdata.System.load(filename)
	assert loaded.formula == system.formula
	assert loaded.get_nframes() == system.get_nframes()
	PY

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