Test failures with pygments 2.19.1

[apteryks]

Hello!

I'm seeing these test failures on the latest release 0.6.3:

tests/test_core.py::test_lines_with_gaps PASSED                          [  4%]
tests/test_core.py::test_markers PASSED                                  [  9%]
tests/test_core.py::test_invalid_converter PASSED                        [ 14%]
tests/test_core.py::test_variables PASSED                                [ 19%]
tests/test_core.py::test_pieces PASSED                                   [ 23%]
tests/test_core.py::test_skipping_frames PASSED                          [ 28%]
tests/test_core.py::test_sys_modules PASSED                              [ 33%]
tests/test_core.py::test_invalid_source PASSED                           [ 38%]
tests/test_core.py::test_absolute_filename PASSED                        [ 42%]
tests/test_core.py::test_executing_style_defs[.c { color: #(999999|ababab); font-style: italic }] FAILED [ 47%]
tests/test_core.py::test_executing_style_defs[.err { color: #a61717; background-color: #e3d2d2 }] FAILED [ 52%]
tests/test_core.py::test_executing_style_defs[.c-ExecutingNode { color: #(999999|ababab); font-style: italic; background-color: #ffff00 }] FAILED [ 57%]
tests/test_core.py::test_executing_style_defs[.err-ExecutingNode { color: #a61717; background-color: #ffff00 }] FAILED [ 61%]
tests/test_core.py::test_example PASSED                                  [ 66%]
tests/test_core.py::test_pygments_example FAILED                         [ 71%]
tests/test_formatter.py::test_example PASSED                             [ 76%]
tests/test_formatter.py::test_invalid_single_option PASSED               [ 80%]
tests/test_serializer.py::test_example FAILED                            [ 85%]
tests/test_utils.py::test_collapse_repeated PASSED                       [ 90%]
tests/test_utils.py::test_highlight_unique_properties PASSED             [ 95%]
tests/test_utils.py::test_cached_property_from_class PASSED              [100%]

Attached is the complete build log. python-stack-data-0.6.3-build-log.txt

The inputs used are:

[email protected] [email protected] [email protected] [email protected]
+ [email protected] [email protected] [email protected] [email protected]
+ [email protected] [email protected] [email protected]

Reverting to pygments 2.15.1 fixes the problem.

[apteryks]

Pygments 2.18.0 is also fine.