New issue 644: PR 87 causes test failure in test_offaxisprojection https://bitbucket.org/yt_analysis/yt/issue/644/pr-87-causes-test-failure-in Kacper Kowalik: Revision 3aba7ca1ff0b causes ```` ====================================================================== ERROR: Failure: ValueError (The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/lib64/python2.7/site-packages/nose/loader.py", line 231, in generate for test in g(): File "/home/xarth/codes/yt-3.0/yt/visualization/tests/test_offaxisprojection.py", line 86, in test_write_projection write_projection(image, fn, **wp_kwargs) File "/home/xarth/codes/yt-3.0/yt/visualization/image_writer.py", line 417, in write_projection cbar = fig.colorbar(cax) File "/usr/lib64/python2.7/site-packages/matplotlib/figure.py", line 1394, in colorbar cb = cbar.colorbar_factory(cax, mappable, **kw) File "/usr/lib64/python2.7/site-packages/matplotlib/colorbar.py", line 1173, in colorbar_factory cb = Colorbar(cax, mappable, **kwargs) File "/usr/lib64/python2.7/site-packages/matplotlib/colorbar.py", line 854, in __init__ ColorbarBase.__init__(self, ax, **kw) File "/usr/lib64/python2.7/site-packages/matplotlib/colorbar.py", line 298, in __init__ self.draw_all() File "/usr/lib64/python2.7/site-packages/matplotlib/colorbar.py", line 319, in draw_all self._process_values() File "/usr/lib64/python2.7/site-packages/matplotlib/colorbar.py", line 632, in _process_values b = self.norm.inverse(self._uniform_y(self.cmap.N+1)) File "/usr/lib64/python2.7/site-packages/matplotlib/colors.py", line 982, in inverse return vmin * ma.power((vmax / vmin), val) File "/usr/lib64/python2.7/site-packages/numpy/ma/core.py", line 3648, in __mul__ return multiply(self, other) File "/usr/lib64/python2.7/site-packages/numpy/ma/core.py", line 941, in __call__ if m: ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all() ````