Poetry refuses to install isort > 5.

[sfermigier]

• I am on the latest Poetry version.
• I have searched the issues of this repo and believe that this is not a duplicate.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option).

• OS version and name: MacOS X 10.13.6 or Ubuntu 18.04
• Poetry version: 1.0.10
• Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/sfermigier/91fcfa81c0b7dcde50c14070855372a4

Issue

The project won't install, complaining that "isort requires Python >=3.6,<4.0", even when we are using Python 3.7 or Python 3.6.

[finswimmer]

Hello @sfermigier,

you've defined that your project is compatible to python>=3.7. So there is no upper boundary. But isort has one. Change

[tool.poetry.dependencies]
python = ">=3.7"

to

[tool.poetry.dependencies]
python = "^3.7"

Please see also my comment in #1930 (comment)

fin swimmer

[github-actions]

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