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chore(python): adopt ruff 0.17 and clear its new lint findings #5468
Description
Split out of the monthly dependency refresh (#5417).
uv lock --upgrade moves ruff from 0.8.x to 0.17.3 in all three Python servers (the declared range is ruff>=0.7.3 / >=0.8.1). That release enables rules that 0.8 did not, and ruff check . then fails on code that passes today:
| Server | Findings | Examples |
|---|---|---|
fetch |
13 | UP035/UP006 (typing.Tuple), UP007, I001, ASYNC230, SIM117, ISC004, B009, UP012 |
git |
23 (+1 ruff format change) |
UP045 (Optional[X]), I001, LOG009 (logging.WARN), SIM117, PLW1510, ISC004, PLR0402 |
time |
9 | I001, RUF010, ASYNC230, SIM117, PLW1510, B017 |
The #5417 PR keeps each lockfile's ruff at its current 0.8.x so the refresh stays a lockfile change.
Expected: each Python server locks the current ruff, ruff check . and ruff format --check . pass (fix the findings, or choose rules deliberately in [tool.ruff] where a rule is unwanted), and the ruff floor in each pyproject.toml is raised so the three servers agree. No behavior change.
Activity
YUYU20061107 commentedon Nov 5, 2026
Hi! I'd like to work on this. Plan: bump ruff to 0.17.x in the fetch, git, and time servers, clear the new findings (fixing in code where sensible, adjusting
[tool.ruff]only where a rule clearly doesn't fit), raise the ruff floor in eachpyproject.tomlso all three agree, and confirmruff check .andruff format --check .pass with no behavior change. I'm a student and an active MCP server developer. I'll open a PR within the next few days and am happy to adjust based on feedback.YUYU20061107 commentedon Nov 5, 2026
Update: I see this was closed as completed shortly after my claim — no problem at all. For the record, I had prepared the change locally and verified it end-to-end (ruff check findings 13/23/9 → 0/0/0 across fetch/git/time, format check clean, pyright 0 errors; tests: fetch 437, git 301, time 171 passed). Per CONTRIBUTING I won't open a PR; if the prompt and approach I used would be useful for the v2 line, I'm happy to share them here.
chore(python): adopt ruff 0.17 and clear its new lint findings