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ENH better error message when wrong cmap name. #2485

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merged 1 commit into from Oct 10, 2013
Merged

ENH better error message when wrong cmap name. #2485

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6 changes: 4 additions & 2 deletions lib/matplotlib/cm.py
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Expand Up @@ -160,8 +160,10 @@ def get_cmap(name=None, lut=None):
return cmap_d[name]
elif name in datad:
return _generate_cmap(name, lut)

raise ValueError("Colormap %s is not recognized" % name)
else:
raise ValueError(
"Colormap %s is not recognized. Possible values are: %s"
% (name, ', '.join(cmap_d.keys())))


class ScalarMappable:
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