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Recursion error · Issue #15481 · matplotlib/matplotlib · GitHub

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Recursion error #15481

Closed
#16028
Closed
Recursion error#15481
#16028
Labels
GUI: Qtstatus: confirmed bug
Milestone
v3.1.3

Description

timhoffm
opened on Oct 22, 2019

Bug report

Bug summary

When running https://matplotlib.org/gallery/event_handling/path_editor.html#sphx-glr-gallery-event-handling-path-editor-py I get a recursion error.

Can anybody reproduce this?

Code for reproduction
Environment:

conda create -n test-path-editor matplotlib pyqt python=3.7

Matplotlib version

  • Operating system: Linux
  • Matplotlib version: Tested on master and 3.1.1 and 3.0.3
  • Matplotlib backend (print(matplotlib.get_backend())): Qt5Agg
  • Python version: 3.7
  • Other libraries: Qt 5.9.2

Actual outcome

RecursionError: maximum recursion depth exceeded in comparison
Full traceback 

QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
QWidget::repaint: Recursive repaint detected
Traceback (most recent call last):
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/backends/backend_qt5.py", line 519, in _draw_idle
    self.draw()
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/backends/backend_agg.py", line 402, in draw
    self.figure.draw(self.renderer)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/artist.py", line 50, in draw_wrapper
    return draw(artist, renderer, *args, **kwargs)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/figure.py", line 1649, in draw
    renderer, self, artists, self.suppressComposite)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/image.py", line 138, in _draw_list_compositing_images
    a.draw(renderer)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/artist.py", line 50, in draw_wrapper
    return draw(artist, renderer, *args, **kwargs)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/axes/_base.py", line 2628, in draw
    mimage._draw_list_compositing_images(renderer, self, artists)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/image.py", line 138, in _draw_list_compositing_images
    a.draw(renderer)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/artist.py", line 50, in draw_wrapper
    return draw(artist, renderer, *args, **kwargs)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/axis.py", line 1185, in draw
    ticks_to_draw = self._update_ticks(renderer)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/axis.py", line 1023, in _update_ticks
    tick_tups = list(self.iter_ticks())  # iter_ticks calls the locator
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/axis.py", line 967, in iter_ticks
    majorLocs = self.major.locator()
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/ticker.py", line 1985, in __call__
    return self.tick_values(vmin, vmax)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/ticker.py", line 1993, in tick_values
    locs = self._raw_ticks(vmin, vmax)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/ticker.py", line 1932, in _raw_ticks
    nbins = np.clip(self.axis.get_tick_space(),
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/axis.py", line 2154, in get_tick_space
    tick = self._get_tick(True)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/axis.py", line 1818, in _get_tick
    return XTick(self.axes, 0, '', major=major, **tick_kw)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/axis.py", line 174, in __init__
    self.tick1line = self._get_tick1line()
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/axis.py", line 470, in _get_tick1line
    markeredgewidth=self._width, zorder=self._zorder)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/lines.py", line 386, in __init__
    self._marker = MarkerStyle(marker, fillstyle)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/markers.py", line 245, in __init__
    self.set_marker(marker)
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/site-packages/matplotlib/markers.py", line 302, in set_marker
    elif (isinstance(marker, Sized) and len(marker) in (2, 3) and
  File "/home/tim/anaconda3/envs/mpl311/lib/python3.7/abc.py", line 139, in __instancecheck__
    return _abc_instancecheck(cls, instance)
RecursionError: maximum recursion depth exceeded in comparison
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::end: Painter not active, aborted```

</p>
</details>

Activity

  1. anntzer commented on Oct 22, 2019

    anntzer
    on Oct 22, 2019
    Contributor

    I can repro. This appears to go back at least to mpl3.0(!) but doesn't happen with mplcairo.qt.

  2. anntzer
    added
    status: confirmed bug
    GUI: Qt
    on Oct 22, 2019

  3. timhoffm commented on Oct 22, 2019

    timhoffm
    on Oct 22, 2019
    MemberAuthor

    2.2.4 still works.

  4. QuLogic commented on Dec 26, 2019

    QuLogic
    on Dec 26, 2019
    Member

    Are you sure 2.2.4 works? It doesn't work for me, but note it's Qt-backend specific. It works in 2.1.2 though, so a bisect says 984fba1 is the first bad commit

    commit 984fba18bcce543f3dd65c5fe5cadfc40e80e690
Author: Antony Lee <anntzer.lee@gmail.com>
Date:   Tue Jan 9 17:31:47 2018 -0800

    qt{4,5}cairo backend: the minimal version.

:040000 040000 155acee381890ba22a22f35f00f019bed2b38650 2bcce7544a7b379b8844a8bd7e1c98130e88c3e2 M	doc
:040000 040000 8e143cb541073727852830dbdf06390441a80e88 e082a1f5aa00a78dd466a9c65abbdaecd943fdac M	lib
  5. Kojoley
    closed this as completedin #16028on Dec 29, 2019
  6. QuLogic
    added this to the v3.1.3 milestone on Dec 29, 2019
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