[Bug]: Pyparsing 3.1 breaks tests #26152
Description
Bug summary
Pyparsing 3.1.0 was released today and something has changed which causes quite a bit of test failures.
List of changes https://github.com/pyparsing/pyparsing/releases/tag/3.1.0 (not obvious to me what caused it).
Code for reproduction
Run the testsActual outcome
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[hspace without value]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[hspace with invalid value]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[function without space]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[accent without space]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[frac without parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[frac with empty parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[binom without parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[binom with empty parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[genfrac without parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[genfrac with empty parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[sqrt without parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[sqrt with invalid value]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[overline without parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[overline with empty parameter]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[left with invalid delimiter]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[right with invalid delimiter]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[unclosed parentheses with sizing]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[unclosed parentheses without sizing]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[dfrac without parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[dfrac with empty parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[overset without parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[underset without parameters]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[unknown symbol]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[double superscript]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[double subscript]
FAILED lib/matplotlib/tests/test_mathtext.py::test_mathtext_exceptions[super on sub without braces]
FAILED lib/matplotlib/tests/test_text.py::test_parse_math - AssertionError: R...
FAILED lib/matplotlib/tests/test_text.py::test_parse_math_rcparams - Assertio...
Expected outcome
No failures
Additional information
I guess a two-stage fix:
- Pin the version to
<3.1 - Fix the actual problem and unpin
Operating system
No response
Matplotlib Version
main-branch
Matplotlib Backend
No response
Python version
No response
Jupyter version
No response
Installation
None