poetry add does not add package to pyproject.toml

[jbencina]

• Poetry version: Poetry (version 1.3.1)
• Python version: Python: 3.10.8
• OS version and name: macOS 11.5.2
• pyproject.toml:

[tool.poetry]
name = "project"
version = "0.1.0"
description = ""
authors = ["myemail"]

[tool.isort]
profile = "black"

[tool.poetry.dependencies]
python = "^3.9"
pydantic = "^1.10.2"
requests = "^2.28.1"
click = "^8.1.3"
pyyaml = "^6.0"
flask = "^2.2.2"
psycopg2 = "^2.9.5"

[tool.poetry.group.dev.dependencies]
black = "^22.10.0"
isort = "^5.10.1"
flake8 = "^5.0.4"
mypy = "^0.982"
pytest = "^7.2.0"
pre-commit = "^2.20.0"
types-requests = "^2.28.11.5"
types-pyyaml = "^6.0.12.2"

[build-system]
requires = ["poetry-core>=1.0.0"]
build-backend = "poetry.core.masonry.api"

[tool.poetry.scripts]
smarthome = 'myapp.cli.entry:cli'

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

Issue

My pyproject.toml file will not update the contents of the [tool.poetry.dependencies] section after using poetry add pyemvue. When I run the command I see

❯ poetry add pyemvue
Using version ^0.16.1 for pyemvue

Updating dependencies
Resolving dependencies... (0.4s)

Writing lock file

Package operations: 16 installs, 0 updates, 0 removals
...

The package + dependencies are installed and I can use them in the virtual environment. However the pyproject.toml file is not updated. If I run poetry install, I get an error that the lock file is out of sync. If I run poetry update the package and its dependencies are uninstalled.

I have tried:

• Remove the .venv path in my project created by Poetry
• Deleting the lock file
• Re-running the install / add commands after the two steps above
• Updating Poetry
• Clearing all Poetry caches

There's no issue if I manually add the package to the pyproject.toml myself. Any thoughts why the file is not being updated via the add command?

[jbencina]

I think I have found the culprit. If I move the:

[tool.isort]
profile = "black"

Section to the very bottom of the pyproject.toml file the issue goes away. Is there some known conflict here?

[neersighted]

Looks like another issue with OutOfOrderTableProxy and Tomlkit. Probably a change in Tomlkit we didn't have good enough test coverage to catch.

[neersighted]

Related: python-poetry/tomlkit#196