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Test failures with pygments 2.21.0 #440
Description
Describe the bug
In openSUSE we observed 3 tests failing with the new version of Pygments (2.21.0).
test_py_utf8_html_error_template, test_utf8_format_exceptions_pygments and test_custom_tback now fail with AssertionErrors because of the quoting
The Pygments changelog lists HtmlFormatter: " and ' now render literally (https://github.com/pygments/pygments/pull/3185) which is probably the cause of these test failures
To Reproduce
Run the testsuite with Pygments 2.21.0
Error
The stacktrace is too long to post here
Versions
- OS: openSUSE Tumbleweed
- Python: 3.13
- Mako: 1.4.1
Activity
zzzeek commentedon Aug 18, 2026
OK, let's put up a fix, thanks for reporting
sqla-tester commentedon Aug 18, 2026
Mike Bayer has proposed a fix for this issue in the main branch:
Accommodate literal quote rendering in Pygments 2.21.0 https://gerrit.sqlalchemy.org/c/sqlalchemy/mako/+/6902
Accommodate literal quote rendering in Pygments 2.21.0
tiltingpenguin commentedon Aug 19, 2026
Thanks for the quick fix