Use identity check with PLACEHOLDER instead of equality test #894

	name: Release

	on:
	push:
	branches:
	- master
	tags:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:
	packaging:
	name: Distribution
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.8
	uses: actions/setup-python@v4
	with:
	python-version: 3.8
	- name: Install poetry
	run: python -m pip install poetry
	- name: Build package
	run: poetry build
	- name: Publish package to PyPI
	if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
	env:
	POETRY_PYPI_TOKEN_PYPI: ${{ secrets.pypi }}
	run: poetry publish -n

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