My test pyproject.toml

pyproject.toml

[tool.poetry]
name = "mynewpackage"
version = "0.1.0"
description = "New package that does stuff"
authors = ["Jarrod Moore <jarrod.moore@deckard.com>"]

[tool.poetry.dependencies]
python = "^3.6.2,<4.0"
pulumi = "^2.21.1"
yamale = "^3.0.4"
pulumi-aws = "^3.29.1"

[tool.poetry.dev-dependencies]
pytest = ">=6"
pre-commit = "*"
black = "*"

[[tool.poetry.source]]
name = "codeartifact"
url = "https://deckard-11111111111.d.codeartifact.us-west-2.amazonaws.com/pypi/pypi-deckard/simple/"
default = true

[build-system]
requires = ["poetry-core>=1.0.0"]
build-backend = "poetry.core.masonry.api"