============================= test session starts ==============================
platform linux -- Python 3.10.19, pytest-9.0.2, pluggy-1.6.0
rootdir: /workspace/matplotlib
configfile: pytest.ini
plugins: timeout-2.4.0, rerunfailures-16.1, xvfb-3.1.1, cov-7.0.0, xdist-3.8.0
collected 148 items / 144 deselected / 4 selected

lib/matplotlib/tests/test_figure.py FF.F                                 [100%]

=================================== FAILURES ===================================
________________________ test_subfigures_wspace_spacing ________________________

    def test_subfigures_wspace_spacing():
        fig = plt.figure()
        left, right = fig.subfigures(1, 2, wspace=0.2)
    
        expected_gap = 0.2 / (2 + 0.2 * (2 - 1))
        gap = right.bbox_relative.x0 - left.bbox_relative.x1
    
>       assert gap == pytest.approx(expected_gap)
E       assert 0.0 == 0.09090909090909091 ± 9.1e-08
E         
E         comparison failed
E         Obtained: 0.0
E         Expected: 0.09090909090909091 ± 9.1e-08

lib/matplotlib/tests/test_figure.py:312: AssertionError
________________________ test_subfigures_hspace_spacing ________________________

    def test_subfigures_hspace_spacing():
        fig = plt.figure()
        top, bottom = fig.subfigures(2, 1, hspace=0.3)
    
        expected_gap = 0.3 / (2 + 0.3 * (2 - 1))
        gap = top.bbox_relative.y0 - bottom.bbox_relative.y1
    
>       assert gap == pytest.approx(expected_gap)
E       assert 0.0 == 0.13043478260869565 ± 1.3e-07
E         
E         comparison failed
E         Obtained: 0.0
E         Expected: 0.13043478260869565 ± 1.3e-07

lib/matplotlib/tests/test_figure.py:324: AssertionError
____________________ test_nested_subfigures_inherit_spacing ____________________

    def test_nested_subfigures_inherit_spacing():
        fig = plt.figure()
        left, _ = fig.subfigures(1, 2, wspace=0.1)
        top, bottom = left.subfigures(2, 1, hspace=0.25)
    
        expected_gap = 0.25 / (2 + 0.25 * (2 - 1))
        gap = top.bbox_relative.y0 - bottom.bbox_relative.y1
    
>       assert gap == pytest.approx(expected_gap)
E       assert 0.0 == 0.1111111111111111 ± 1.1e-07
E         
E         comparison failed
E         Obtained: 0.0
E         Expected: 0.1111111111111111 ± 1.1e-07

lib/matplotlib/tests/test_figure.py:347: AssertionError
=========================== short test summary info ============================
FAILED lib/matplotlib/tests/test_figure.py::test_subfigures_wspace_spacing - ...
FAILED lib/matplotlib/tests/test_figure.py::test_subfigures_hspace_spacing - ...
FAILED lib/matplotlib/tests/test_figure.py::test_nested_subfigures_inherit_spacing
================= 3 failed, 1 passed, 144 deselected in 0.32s ==================