Merge pull request #56 from Tieqiong/ipynb #4

Job	Run time
release / tag-privilege-check / privilege-check	4s
release / tag-privilege-check / tag-check	4s
release / build-non-pure-python-package / Build diffpy.pdffit2 sdist	7s
release / build-pure-python-package	0s
release / build-non-pure-python-package / cibw-wheels-${{ matrix.python[0] }}-${{ matrix.buildplat[0] }}	0s
release / update-changelog	0s
release / github-pre-release / github-pre-release	4s
release / delete-create-new-tag	0s
release / github-release	0s
release / pypi-publish	10s
release / docs / build-deploy	4m 0s
	4m 29s

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