8000 MAINT Better error message for number of colors versus number of data… by NelleV · Pull Request #11876 · matplotlib/matplotlib · GitHub
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MAINT Better error message for number of colors versus number of data… #11876

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Merged
merged 2 commits into from
Aug 18, 2018
Merged

MAINT Better error message for number of colors versus number of data… #11876

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MAINT Better error message for number of colors versus number of data…
NelleV Aug 17, 2018
d8261c9
FIX grammatical mistake
NelleV Aug 18, 2018
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5 changes: 4 additions & 1 deletion lib/matplotlib/axes/_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6537,7 +6537,10 @@ def hist(self, x, bins=None, range=None, density=None, weights=None,
else:
color = mcolors.to_rgba_array(color)
if len(color) != nx:
raise ValueError("color kwarg must have one color per dataset")
error_message = (
"color kwarg must have one color per data set. %d data "
"sets and %d colors were provided" % (len(color), nx))
raise ValueError(error_message)

# If bins are not specified either explicitly or via range,
# we need to figure out the range required for all datasets,
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