ruff check . --select RUF027 --fix --unsafe-fixes --preview --show-fi…

…xes; ruff format .;

Fixed 2 errors:
- tests/test_doctest_docutils.py:
    2 × RUF027 (missing-f-string-syntax)

Found 2 errors (2 fixed, 0 remaining).
11 files left unchanged

tests/test_doctest_docutils.py

@@ -102,7 +102,7 @@ class DocTestFinderFixture(t.NamedTuple):
  test_id="MyST-doctest_directive-colons",
  files={
  "example.md": textwrap.dedent(
- """
+ f"""
 :::{doctest}
 
  >>> 4 + 4
@@ -117,7 +117,7 @@ class DocTestFinderFixture(t.NamedTuple):
  test_id="MyST-doctest_directive-backticks",
  files={
  "example.md": textwrap.dedent(
- """
+ f"""
 ```{doctest}
 
  >>> 4 + 4