Poetry using dependency that I haven't installed

[zachvalenta]

• OS version and name: macOS Mojave 10.14.13
• Poetry version: 1.0.0
• Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/zachvalenta/66cb520ba2fcbdb980e5c248acefacb4

Issue

• tldr: Poetry is using a dependency it didn't install.
• context: porting a Flask project from pip to Poetry

---

In a Makefile, I have a rule using httpie to hit an endpoint:

get:
    source venv/bin/activate; http http://localhost:500

I'm porting the project to Poetry, so I updated the Makefile:

get:
    poetry run http http://localhost:500

However, I did not install httpie yet, as the pyproject.toml and poetry show displays:

flask 1.1.1 A simple framework for building complex web applications.
├── click >=5.1
├── itsdangerous >=0.24
├── jinja2 >=2.10.1
│   └── markupsafe >=0.23
└── werkzeug >=0.15

python-dotenv 0.10.3 Add .env support to your django/flask apps in development and deployments

And yet when I use the Makefile command (make get updated to use poetry run ) Poetry is still able to locate and use httpie, even though I haven't installed httpie yet.

At first I thought maybe I had httpie installed in some global way, but it's neither installed by pipx nor pip.

I suspect I've overlooked something obvious but at present can't figure out what, hence this ticket.

[tomzx]

What does which http return you? I'd investigate where the http binary is found and I'd also try running http outside of your python project. If it still works, that's unrelated to poetry.

[zachvalenta]

I did overlook something obvious. httpie was installed as a transitive dep for another Homebrew package. @tomzx thanks for the help, appreciate it.

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