Error due to dev-dependency despite using "poetry install --no-dev"

[juliuskittler]

• 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 Big Sur 11.6
• Poetry version: Poetry version 1.1.11
• Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/juliuskittler/34201e75addf9ef4fd79aef9bc663d68

Issue

I am getting an error because of a package from my dev dependencies even though I am conducting an installation with excluding the dev dependencies (with poetry install --no-dev). This error is expected for poetry install because said dev dependency is installed from a local directory which is missing. However, I expect that it does not occur with poetry install --no-dev because then this dependency is not meant to be installed.

To reproduce:

1. Download the pyproject.toml from the gist link (above), put it in a folder and navigate into the folder from your terminal.
2. Run poetry install --no-dev.
3. You will get the error:

ValueError

  Directory ../Merlion/ts_datasets does not exist

  at ~/anaconda3/lib/python3.8/site-packages/poetry/core/packages/directory_dependency.py:41 in __init__
       37│         self._develop = develop
       38│         self._supports_poetry = False
       39│ 
       40│         if not self._full_path.exists():
    →  41│             raise ValueError("Directory {} does not exist".format(self._path))
       42│ 
       43│         if self._full_path.is_file():
       44│             raise ValueError("{} is a file, expected a directory".format(self._path))

[finswimmer]

Hello @juliuskittler,

this was ask earlier in #668

fin swimmer

[github-actions]

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