[tool.poetry] name = "test-extras" version = "0.1.0" description = "" authors = ["Your Name "] [tool.poetry.dependencies] python = "^3.9" black = { version = "22.10", optional = true} [tool.poetry.extras] more = ["black"] [tool.poetry.group.dev.dependencies] pytest = "^6" [build-system] requires = ["poetry-core>=1.1"] build-backend = "poetry.core.masonry.api"