New issue 860: One of the animation recipes in the docs build raises the following error: https://bitbucket.org/yt_analysis/yt/issue/860/one-of-the-animation-recipes-... Nathan Goldbaum: --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) <ipython-input-4-e3b9f89be543> in <module>() 12 13 # call the animator. blit=True means only re-draw the parts that have changed. ---> 14 anim = animation.FuncAnimation(fig, animate, frames=44, interval=200, blit=False) 15 16 # call our new function to display the animation /home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in __init__(self, fig, func, frames, init_func, fargs, save_count, **kwargs) 1008 self._save_seq = [] 1009 -> 1010 TimedAnimation.__init__(self, fig, **kwargs) 1011 1012 # Need to reset the saved seq, since right now it will contain data /home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in __init__(self, fig, interval, repeat_delay, repeat, event_source, *args, **kwargs) 862 863 Animation.__init__(self, fig, event_source=event_source, --> 864 *args, **kwargs) 865 866 def _step(self, *args): /home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in __init__(self, fig, event_source, blit) 543 544 # Clear the initial frame --> 545 self._init_draw() 546 547 # Instead of starting the event source now, we connect to the figure's /home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in _init_draw(self) 1033 # artists. 1034 if self._init_func is None: -> 1035 self._draw_frame(next(self.new_frame_seq())) 1036 else: 1037 self._drawn_artists = self._init_func() /home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in _draw_frame(self, framedata) 1047 # Call the func with framedata and args. If blitting is desired, 1048 # func needs to return a sequence of any artists that were modified. -> 1049 self._drawn_artists = self._func(framedata, *self._args) <ipython-input-4-e3b9f89be543> in animate(i) 9 def animate(i): 10 ds = load('Enzo_64/DD%04i/data%04i' % (i,i)) ---> 11 prj._switch_ds(ds) 12 13 # call the animator. blit=True means only re-draw the parts that have changed. /var/lib/jenkins/jobs/yt-docs-3.0/workspace/yt/visualization/plot_container.pyc in _switch_ds(self, new_ds, data_source) 282 self._data_valid = self._plot_valid = False 283 self._recreate_frb() --> 284 self._setup_plots() 285 286 def __getitem__(self, item): /var/lib/jenkins/jobs/yt-docs-3.0/workspace/yt/visualization/plot_window.pyc in _setup_plots(self) 844 hinv = False 845 for i, un in enumerate((unit_x, unit_y)): --> 846 if hasattr(self.ds.coordinates, "default_unit_label"): 847 axax = getattr(self.ds.coordinates, "%s_axis" % ("xy"[i]))[axis_index] 848 un = self.ds.coordinates.default_unit_label[axax] AttributeError: 'YTQuadTreeProj' object has no attribute 'coordinates' Responsible: ngoldbaum