Updating ruff ignore for previous fix

[henrydingliu]

Summary of Changes

Removing ruff ignore for core/slicing.py

Related GitHub Issue(s)

Cleans up after #1103

Additional Context for Reviewers

Checklist

• I passed tests locally for both code (uv run pytest) and documentation changes (uv run --directory docs jb build . --builder=custom --custom-builder=doctest)

---

Note

Low Risk
Config-only change to lint exemptions; no application logic or runtime behavior is modified.

Overview
Tightens Ruff per-file-ignores for chainladder/core/slice.py so only E225 stays grandfathered; E712, E721, and E741 are no longer suppressed there.

That matches the lint cleanup from #1103—slice.py is now expected to satisfy those rules without exemptions.

^{Reviewed by Cursor Bugbot for commit e177436. Bugbot is set up for automated code reviews on this repo. Configure here.}

[github-actions]

Pyright Type Completeness

View the full pyright --verifytypes output for this commit

Project (full chainladder package, at this PR's head): 15.1% of exported symbols fully typed (201 / 1333)

	Known	Ambiguous	Unknown	Total
Project (head)	201	111	1021	1333

Other symbols referenced but not exported by chainladder: 13

	Known	Ambiguous	Unknown	Total
Other (head)	3	1	9	13

Symbols without documentation:

• Functions without docstring: 321
• Functions without default param: 0
• Classes without docstring: 10

Patch (exported symbols added or changed by this PR): no exported symbol type-completeness changes detected.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.25%. Comparing base (272cbe1) to head (e177436).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1214   +/-   ##
=======================================
  Coverage   91.25%   91.25%           
=======================================
  Files          91       91           
  Lines        5400     5400           
  Branches      691      691           
=======================================
  Hits         4928     4928           
  Misses        338      338           
  Partials      134      134           

Flag	Coverage Δ
unittests	91.25% <ø> (ø)

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[priyam0k]

running ruff check chainladder/core/slice.py --config "lint.per-file-ignores={}" still flags 5 errors in slice.py (E721, E741, E712 at lines 70, 177, 222, 759).

should those 5 lines in slice.py be fixed first or aligned with E2 updates in #1204?

[henrydingliu]

running ruff check chainladder/core/slice.py --config "lint.per-file-ignores={}" still flags 5 errors in slice.py (E721, E741, E712 at lines 70, 177, 222, 759).

should those 5 lines in slice.py be fixed first or aligned with E2 updates in #1204?

addressing now after resolving conflict

[priyam0k]

looks good. thanks for updating the ignore rule. approving!