Missing value for pypi-token.pypi config value results in the wrong error message.

[radoshi]

• Poetry version: 1.6.1
• Python version: 3.11.5
• OS version and name: MacOS 13.5.2
• pyproject.toml: https://gist.github.com/radoshi/898f4f8fad33341d0714921f378bbef6

• 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. https://gist.github.com/radoshi/70f1215ca969c8055715d207586d2f80

Issue

When executing poetry config pypi-token.pypi, if the value is missing, poetry returns the error

There is no pypi-token.pypi setting.

This error is rather confusing. It should say that the value is missing.

Real scenario where this happened: I'm using poetry to publish to pypi from a GH release action. I misconfigured the secret, so its not available, which results in an empty string. This results in the GH action failing with There is no pypi-token.pypi setting.

I imagine that people trying to configure a GH action would get similarly confused as me and go down the rabbit hole of making sure that they got poetry install and version correct etc.

I have a draft PR here that I'm happy to convert into a real PR if you would like:
#8502

[radoering]

IMO, it makes sense to improve the message.

[radoshi]

Thanks. Took your suggestions and PR is now ready for review.

[github-actions]

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