Ignore EOF blank line check

.gitea/preparse.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Reproduces the CI "Preparse .sage files" step locally, so `ruff check` sees
+# the same generated *.sage.py files that the pipeline lints. Run this before
+# `sage --python -m ruff check --no-respect-gitignore .` to catch issues that
+# only show up in the generated output (e.g. missing trailing newlines).
+#
+# The generated files are gitignored; clean them up afterwards with:
+#   git clean -x sage/ playground/
+
+set -e
+
+for f in $(find . -name "*.sage" -not -path "./playground/*"); do
+  sage --preparse "$f"
+  printf 'from sage.all import *  # noqa: F401,F403\n%s\n' "$(cat "${f}.py")" > "${f}.py"
+done

.gitea/workflows/ci.yml

@@ -24,12 +24,7 @@ jobs:
         # parse it, and prepends the `from sage.all import *` that `sage`
         # normally injects at runtime, so Sage's globals (ZZ, var, matrix, ...)
         # resolve instead of looking like undefined names.
-        run: |
-          set -e
-          for f in $(find . -name "*.sage" -not -path "./playground/*"); do
-            sage --preparse "$f"
-            printf 'from sage.all import *  # noqa: F401,F403\n%s\n' "$(cat "${f}.py")" > "${f}.py"
-          done
+        run: .gitea/preparse.sh
 
       - name: ruff check
         # --no-respect-gitignore: *.sage.py is gitignored (it's generated, see