importmatplotlibimportmatplotlib.pyplotaspltmatplotlib.rcParams['text.usetex']=Trueplt.annotate(" ", (0,0), (1,0),arrowprops=dict(arrowstyle='->'))plt.show()

If" " is changed to"" (an empty string) or if thearrowprops argument is removed, then the crash doesn't happen. Here is the traceback:

Exception in Tkinter callbackTraceback (most recent call last):  File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1413, in __call__    return self.func(*args)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/backends/backend_tkagg.py", line 276, in resize    self.show()  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/backends/backend_tkagg.py", line 348, in draw    FigureCanvasAgg.draw(self)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/backends/backend_agg.py", line 439, in draw    self.figure.draw(self.renderer)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/artist.py", line 54, in draw_wrapper    draw(artist, renderer, *args, **kwargs)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/figure.py", line 999, in draw    func(*args)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/artist.py", line 54, in draw_wrapper    draw(artist, renderer, *args, **kwargs)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/axes.py", line 2093, in draw    a.draw(renderer)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/artist.py", line 54, in draw_wrapper    draw(artist, renderer, *args, **kwargs)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/text.py", line 2031, in draw    self.arrow_patch.draw(renderer)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/patches.py", line 4001, in draw    path, fillable = self.get_path_in_displaycoord()  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/patches.py", line 3949, in get_path_in_displaycoord    shrinkB=self.shrinkB * dpi_cor  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/patches.py", line 2507, in __call__    clipped_path = self._clip(path, patchA, patchB)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/patches.py", line 2452, in _clip    left, right = split_path_inout(path, insideA)  File "/home/vanderplas/PythonEnv/pydev/local/lib/python2.7/site-packages/matplotlib/bezier.py", line 242, in split_path_inout    ctl_points, command = next(path_iter)StopIteration

I'm running ubuntu with python 2.7.3, and the following:

>>> matplotlib.__version__'1.3.x'>>> matplotlib.rcParams['backend']'TkAgg'

I've seen the crash also using Agg.

mdboomand others added2 commits

December 11, 2012 12:48

Fixmatplotlib#1583: Crash with text.usetex=True and plt.annotate -- …

707edb5

…usetex bounding boxes are all NaNs when text is empty.

more complete fix formatplotlib#1583(multiple spaces)

3b857ab

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ivanov commentedDec 14, 2012

@mdboom's change fixes Jake's example for me, but still breaks if I use two spaces instead of just one.

 plt.annotate("  ", (0, 0), (1, 0), arrowprops=dict(arrowstyle='->'))

I added a commit to deal with those, will submit PR against Mike's branch with that

Merge pull request#12from ivanov/annotate_space

7e91d71

more complete fix formatplotlib#1583 (multiple spaces)

mdboom added a commit that referenced this pull request

Dec 17, 2012

Merge pull request#1583from mdboom/annotate_space

422712d

Crash with text.usetex=True and plt.annotate

mdboom merged commit422712d intomatplotlib:v1.2.x

Dec 17, 2012

WeatherGod mentioned this pull request

Jan 8, 2014

Fixed empty text bbox drawing.#2710

Closed