chore(deps): update dev dependencies (ruff, nox, nox-uv)

[gjtorikian]

Description

Several of our dev dependencies are wildly out of date. This PR updates them; some of them are major breaking changes, so I'll be targeting the next major version. Similarly, our pyproject toml used a quite restrictive == check (meaning, "exact version only"). I loosened them to ~= (meaning, minor and patch version updates are okay).

Notable changes includes:

• dropping six. This is a compatibility layer between Python 2 and 3; with our new support for newer Python versions, it's no longer needed
• replacing mypy with pyright. The mypy typechecker is quite slow, and modern Python tends to use pyright.

Note: Linting CI still fails on pyright because the types need to be corrected, but that will be sorted out in the autogenerated SDK PR. Tests all pass, though.

[greptile-apps]

Greptile Summary

This PR modernises the Python SDK's dev toolchain by updating several out-of-date dev dependencies and relaxing version constraints from exact pins (==) to compatible-release specifiers (~=). The two headline changes are replacing mypy with pyright for type-checking and dropping the six Python 2/3 compatibility shim.\n\nKey changes:\n- noxfile.py: mypy invocations in the typecheck and ci sessions replaced with pyright.\n- pyproject.toml: six removed from test group; mypy replaced with pyright~=1.1 in type_check; pytest-asyncio bumped from 0.23.8 → 1.3.0, pytest-cov from 5.0.0 → 7.1.0, nox from ~2025.11 → ~2026.2, nox-uv from 0.7.0 → 0.7.1.\n- tests/test_sso.py & tests/test_user_management.py: from six.moves.urllib.parse import … replaced with the standard-library from urllib.parse import ….\n- tests/test_session.py: Parenthesised with statement syntax (Python 3.10+) used to improve readability of multi-context-manager blocks.\n- uv.lock: Regenerated to reflect all dependency changes; six, mypy, and mypy-extensions removed; pyright, nodeenv, and backports-asyncio-runner added.\n- Note: The [tool.mypy] section in pyproject.toml was not removed and no [tool.pyright] configuration was added as a replacement, leaving the old mypy settings as dead configuration.

Confidence Score: 5/5

Safe to merge; all remaining findings are minor style/cleanup suggestions with no impact on runtime behaviour.

All code changes are straightforward: a direct import substitution (six → stdlib), a cosmetic with-statement reformat, and tooling invocation updates (mypy → pyright). The only actionable finding is the leftover [tool.mypy] section, which is dead configuration and does not affect correctness or CI behaviour.

pyproject.toml — the stale [tool.mypy] section should be cleaned up and a [tool.pyright] config block added.

Important Files Changed

Filename	Overview
pyproject.toml	Dev dependency versions updated (pytest, pytest-asyncio, pytest-cov, nox, nox-uv); mypy replaced with pyright; six removed. Stale [tool.mypy] section remains without a [tool.pyright] replacement.
noxfile.py	Cleanly replaces mypy invocations with pyright in both the typecheck session and the ci session.
tests/test_sso.py	Replaces six.moves.urllib.parse import with the standard library urllib.parse — correct and necessary after dropping the six dependency.
tests/test_user_management.py	Same six→stdlib urllib.parse migration as test_sso.py; clean and correct.
tests/test_session.py	Reformats nested with context managers to the parenthesized form (PEP 617, Python 3.10+) — stylistic improvement, no behavioural change.
uv.lock	Lockfile regenerated to reflect dependency changes: six and mypy/mypy-extensions removed, pyright/nodeenv added, nox/nox-uv/pytest-asyncio/pytest-cov bumped.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[nox ci / nox typecheck] --> B{Type checker}
    B -->|Before| C[mypy\nmypy-extensions]
    B -->|After| D[pyright\nnodeenv]

    E[test suite] --> F{URL parsing}
    F -->|Before| G[six.moves.urllib.parse]
    F -->|After| H[urllib.parse stdlib]

    I[pyproject.toml version pins] --> J{Specifier}
    J -->|Before| K[== exact pin]
    J -->|After| L[~= compatible release]

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Comments Outside Diff (1)

1. pyproject.toml, line 35-45 (link)

   Stale [tool.mypy] section

   Now that mypy has been removed as a dependency in favor of pyright, the [tool.mypy] configuration block is dead code. It won't be used by anything in the project. Consider removing it (or replacing it with a [tool.pyright] block) to keep the config clean.

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