Description of problem:
Package python-mplcursors fails to build from source in Fedora Rawhide.

Version-Release number of selected component (if applicable):
0.6-2.fc42

Steps to Reproduce:
koji build --scratch f43 python-mplcursors-0.6-2.fc42.src.rpm

Additional info:
This package is tracked by Koschei. See:
https://koschei.fedoraproject.org/package/python-mplcursors

Results:

_____________________________ test_line[Axes.plot] _____________________________
ax = <Axes: >, plotter = <function Axes.plot at 0x3ff647a5da0>
    @pytest.mark.parametrize("plotter", [Axes.plot, Axes.fill])
    def test_line(ax, plotter):
        artist, = plotter(ax, [0, .2, 1], [0, .8, 1], label="foo")
        cursor = mplcursors.cursor(multiple=True)
        # Far, far away.
        _process_event("__mouse_click__", ax, (0, 1), 1)
        assert len(cursor.selections) == len(ax.figure.artists) == 0
        # On the line.
        _process_event("__mouse_click__", ax, (.1, .4), 1)
        assert len(cursor.selections) == len(ax.figure.artists) == 1
        assert _parse_annotation(
            cursor.selections[0], r"foo\nx=(.*)\ny=(.*)") == approx((.1, .4))
        # Not removing it.
        _process_event("__mouse_click__", ax, (0, 1), 3)
        assert len(cursor.selections) == len(ax.figure.artists) == 1
        # Remove the text label; add another annotation.
        artist.set_label(None)
        _process_event("__mouse_click__", ax, (.6, .9), 1)
>       assert len(cursor.selections) == len(ax.figure.artists) == 2
E       AssertionError: assert 1 == 2
E        +  where 1 = len([Text(15, 15, 'foo\nx=0.099\ny=0.397')])
E        +    where [Text(15, 15, 'foo\nx=0.099\ny=0.397')] = <Figure size 640x480 with 1 Axes>.artists
E        +      where <Figure size 640x480 with 1 Axes> = <Axes: >.figure
tests/test_mplcursors.py:127: AssertionError
_____________________________ test_line[Axes.fill] _____________________________
ax = <Axes: >, plotter = <function Axes.fill at 0x3ff647a7ec0>
    @pytest.mark.parametrize("plotter", [Axes.plot, Axes.fill])
    def test_line(ax, plotter):
        artist, = plotter(ax, [0, .2, 1], [0, .8, 1], label="foo")
        cursor = mplcursors.cursor(multiple=True)
        # Far, far away.
        _process_event("__mouse_click__", ax, (0, 1), 1)
        assert len(cursor.selections) == len(ax.figure.artists) == 0
        # On the line.
        _process_event("__mouse_click__", ax, (.1, .4), 1)
        assert len(cursor.selections) == len(ax.figure.artists) == 1
        assert _parse_annotation(
            cursor.selections[0], r"foo\nx=(.*)\ny=(.*)") == approx((.1, .4))
        # Not removing it.
        _process_event("__mouse_click__", ax, (0, 1), 3)
        assert len(cursor.selections) == len(ax.figure.artists) == 1
        # Remove the text label; add another annotation.
        artist.set_label(None)
        _process_event("__mouse_click__", ax, (.6, .9), 1)
>       assert len(cursor.selections) == len(ax.figure.artists) == 2
E       AssertionError: assert 1 == 2
E        +  where 1 = len([Text(15, 15, 'foo\nx=0.099\ny=0.397')])
E        +    where [Text(15, 15, 'foo\nx=0.099\ny=0.397')] = <Figure size 640x480 with 1 Axes>.artists
E        +      where <Figure size 640x480 with 1 Axes> = <Axes: >.figure
tests/test_mplcursors.py:127: AssertionError
________________________________ test_steps_pre ________________________________
ax = <Axes: >
    def test_steps_pre(ax):
        ax.plot([0, 1], [0, 1], drawstyle="steps-pre")
        ax.set(xlim=(-1, 2), ylim=(-1, 2))
        cursor = mplcursors.cursor()
        _process_event("__mouse_click__", ax, (1, 0), 1)
        assert len(cursor.selections) == 0
        _process_event("__mouse_click__", ax, (0, .5), 1)
        index = cursor.selections[0].index
        assert (index.int, index.x, index.y) == approx((0, 0, .5))
        _process_event("__mouse_click__", ax, (.5, 1), 1)
        index = cursor.selections[0].index
>       assert (index.int, index.x, index.y) == approx((0, .5, 1))
E       assert (np.float64(0...298701298702)) == approx((0 ± 1... 1 ± 1.0e-02))
E         
E         comparison failed. Mismatched elements: 2 / 3:
E         Max absolute difference: 0.5048701298701298
E         Max relative difference: inf
E         Index | Obtained           | Expected     
E         1     | 0                  | 0.5 ± 1.0e-02
E         2     | 0.4951298701298702 | 1 ± 1.0e-02
tests/test_mplcursors.py:179: AssertionError
________________________________ test_steps_mid ________________________________
ax = <Axes: >
    def test_steps_mid(ax):
        ax.plot([0, 1], [0, 1], drawstyle="steps-mid")
        ax.set(xlim=(-1, 2), ylim=(-1, 2))
        cursor = mplcursors.cursor()
        _process_event("__mouse_click__", ax, (0, 1), 1)
        assert len(cursor.selections) == 0
        _process_event("__mouse_click__", ax, (1, 0), 1)
        assert len(cursor.selections) == 0
        _process_event("__mouse_click__", ax, (.25, 0), 1)
        index = cursor.selections[0].index
        assert (index.int, index.x, index.y) == approx((0, .25, 0))
        _process_event("__mouse_click__", ax, (.5, .5), 1)
        index = cursor.selections[0].index
>       assert (index.int, index.x, index.y) == approx((0, .5, .5))
E       assert (np.float64(0...193548399), 0) == approx((0 ± 1....5 ± 1.0e-02))
E         
E         comparison failed. Mismatched elements: 2 / 3:
E         Max absolute difference: 0.5
E         Max relative difference: inf
E         Index | Obtained            | Expected     
E         1     | 0.24596774193548399 | 0.5 ± 1.0e-02
E         2     | 0                   | 0.5 ± 1.0e-02
tests/test_mplcursors.py:195: AssertionError
_______________________________ test_steps_post ________________________________
ax = <Axes: >
    def test_steps_post(ax):
        ax.plot([0, 1], [0, 1], drawstyle="steps-post")
        ax.set(xlim=(-1, 2), ylim=(-1, 2))
        cursor = mplcursors.cursor()
        _process_event("__mouse_click__", ax, (0, 1), 1)
        assert len(cursor.selections) == 0
        _process_event("__mouse_click__", ax, (.5, 0), 1)
        index = cursor.selections[0].index
        assert (index.int, index.x, index.y) == approx((0, .5, 0))
        _process_event("__mouse_click__", ax, (1, .5), 1)
        index = cursor.selections[0].index
>       assert (index.int, index.x, index.y) == approx((0, 1, .5))
E       assert (np.float64(0...000000002), 0) == approx((0 ± 1....5 ± 1.0e-02))
E         
E         comparison failed. Mismatched elements: 2 / 3:
E         Max absolute difference: 0.5
E         Max relative difference: inf
E         Index | Obtained           | Expected     
E         1     | 0.5000000000000002 | 1 ± 1.0e-02  
E         2     | 0                  | 0.5 ± 1.0e-02
tests/test_mplcursors.py:212: AssertionError
________________________________ test_errorbar _________________________________
ax = <Axes: >
    def test_errorbar(ax):
        ax.errorbar(range(2), range(2), [(1, 1), (1, 2)])
        cursor = mplcursors.cursor()
        assert len(cursor.artists) == 1
        _process_event("__mouse_click__", ax, (0, 2), 1)
        assert len(cursor.selections) == 0
        _process_event("__mouse_click__", ax, (.5, .5), 1)
        assert cursor.selections[0].target == approx((.5, .5))
        assert _parse_annotation(
            cursor.selections[0], r"x=(.*)\ny=(.*)") == approx((.5, .5))
        _process_event("__mouse_click__", ax, (0, 1), 1)
>       assert cursor.selections[0].target == approx((0, 0))
E       assert array([0.4997..., 0.49976043]) == approx((0 ± 1... 0 ± 1.0e-02))
E         
E         comparison failed. Mismatched elements: 2 / 2:
E         Max absolute difference: 0.49976042781689856
E         Max relative difference: 1.0
E         Index | Obtained            | Expected   
E         0     | 0.4997604278168982  | 0 ± 1.0e-02
E         1     | 0.49976042781689856 | 0 ± 1.0e-02
tests/test_mplcursors.py:363: AssertionError
=========================== short test summary info ============================
FAILED tests/test_mplcursors.py::test_line[Axes.plot] - AssertionError: asser...
FAILED tests/test_mplcursors.py::test_line[Axes.fill] - AssertionError: asser...
FAILED tests/test_mplcursors.py::test_steps_pre - assert (np.float64(0...2987...
FAILED tests/test_mplcursors.py::test_steps_mid - assert (np.float64(0...1935...
FAILED tests/test_mplcursors.py::test_steps_post - assert (np.float64(0...000...
FAILED tests/test_mplcursors.py::test_errorbar - assert array([0.4997..., 0.4...
========================= 6 failed, 69 passed in 9.71s =========================