warning: sdist: standard file not found: should have one of README, README.rst, README.txt, README.md

* Creating virtualenv isolated environment...
* Installing packages in isolated environment... (setuptools>=61.0)
* Getting build dependencies for sdist...
running egg_info
creating src/test_helper.egg-info
writing src/test_helper.egg-info/PKG-INFO
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reading manifest file 'src/test_helper.egg-info/SOURCES.txt'
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* Building sdist...
running sdist
running egg_info
writing src/test_helper.egg-info/PKG-INFO
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writing top-level names to src/test_helper.egg-info/top_level.txt
reading manifest file 'src/test_helper.egg-info/SOURCES.txt'
writing manifest file 'src/test_helper.egg-info/SOURCES.txt'
running check
creating test_helper-0.2.4+dev.0ef462b
creating test_helper-0.2.4+dev.0ef462b/src
creating test_helper-0.2.4+dev.0ef462b/src/test_helper
creating test_helper-0.2.4+dev.0ef462b/src/test_helper.egg-info
creating test_helper-0.2.4+dev.0ef462b/tests
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copying src/test_helper/__init__.py -> test_helper-0.2.4+dev.0ef462b/src/test_helper
copying src/test_helper/no_reference_leaks.py -> test_helper-0.2.4+dev.0ef462b/src/test_helper
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copying src/test_helper.egg-info/PKG-INFO -> test_helper-0.2.4+dev.0ef462b/src/test_helper.egg-info
copying src/test_helper.egg-info/SOURCES.txt -> test_helper-0.2.4+dev.0ef462b/src/test_helper.egg-info
copying src/test_helper.egg-info/dependency_links.txt -> test_helper-0.2.4+dev.0ef462b/src/test_helper.egg-info
copying src/test_helper.egg-info/top_level.txt -> test_helper-0.2.4+dev.0ef462b/src/test_helper.egg-info
copying tests/test_no_reference_leaks.py -> test_helper-0.2.4+dev.0ef462b/tests
Writing test_helper-0.2.4+dev.0ef462b/setup.cfg
Creating tar archive
removing 'test_helper-0.2.4+dev.0ef462b' (and everything under it)
Successfully built test_helper-0.2.4+dev.0ef462b.tar.gz