Can not install Dask package

[dbalabka]

• Poetry version: >=1.4.0
• Python version: 3.8
• OS version and name: Ubuntu 20.04.5 LTS

• I am on the latest stable Poetry version, installed using a recommended method.
• I have searched the issues of this repo and believe that this is not a duplicate.
• I have consulted the FAQ and blog for any relevant entries or release notes.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option) and have included the output below.

Issue

poetry init
poetry add dask

Leading to the following error:

❯ poetry add dask
Using version ^2023.3.2 for dask

Updating dependencies
Resolving dependencies... (0.0s)

  AssertionError



  at ~/.local/pipx/venvs/poetry/lib/python3.8/site-packages/poetry/mixology/incompatibility.py:113 in __str__
      109│         )
      110│
      111│     def __str__(self) -> str:
      112│         if isinstance(self._cause, DependencyCause):
    → 113│             assert len(self._terms) == 2
      114│
      115│             depender = self._terms[0]
      116│             dependee = self._terms[1]
      117│             assert depender.is_positive()

[dimbleby]

you have not provided your pyproject.toml, and you have not searched for duplicates

please close

[dbalabka]

you have not searched for duplicates

@dimbleby, I searched the duplicates but didn't find anything useful. Still, taking into account your confidence that I didn't search enough, I repeated the attempt.

I found the issue is related to my problem:
#7501

The problem is that I'm using the same name as the project "dask" like the required project:

[tool.poetry]
name = "dask"
version = "0.1.0"
description = ""
authors = ["Dmitry Balabka <[email protected]>"]
readme = "README.md"

[tool.poetry.dependencies]
python = ">=3.8"


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

It would be great if poetry reported such an issue properly, instead of an assertion error. I belive that it will save others' time.

[github-actions]

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