[ci] Add back ruff pyflake checks and allow 3.14t to fail

Author: fjosw

.github/workflows/pytest.yml

@@ -13,6 +13,7 @@ on:
 jobs:
   pytest:
     runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.python-version == '3.14t' }}
     strategy:
       fail-fast: false
       matrix:

pyproject.toml

@@ -6,7 +6,7 @@ build-backend = "setuptools.build_meta"
 target-version = "py310"
 
 [tool.ruff.lint]
-select = ["E", "W", "I", "B", "PIE", "PLE", "PLW", "UP", "NPY", "RUF"]
+select = ["E", "W", "I", "B", "PIE", "PLE", "PLW", "UP", "NPY", "RUF", "F"]
 ignore = [
     "F403",     # star imports in __init__ files are intentional
     "E501",     # line too long