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Fixes incorrect error bar colors when NaN values are present #13825

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Fixes incorrect error bar colors when NaN values are present #13825

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9ecfd09
incorrect error bar colors when NaN values are present
kasanitej Mar 31, 2019
397fb95
incorrect error bar colors when NaN values are present
kasanitej Apr 1, 2019
efc418d
flake 8 changes
kasanitej Apr 1, 2019
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14 changes: 14 additions & 0 deletions lib/matplotlib/axes/_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3211,6 +3211,20 @@ def errorbar(self, x, y, yerr=None, xerr=None,

if not np.iterable(y):
y = [y]
# The actual errorbar function works even if lengths of x and y
# dont matches with "ecolor" inorder to retain the same behavior
# the new change will only effect if lengths matches
if np.iterable(ecolor):
if len(ecolor) == len(x) and len(ecolor) == len(y):
# To get np.nan indices in both x and y lists
nan_indices = list(np.where(np.isnan(x))[
0]) + list(np.where(np.isnan(y))[0])
# To remove duplicates
nan_indices = list(set(nan_indices))
ecolor = np.array(ecolor)
# To delete colors corrresonding to np.nan in x and y
ecolor = np.delete(ecolor, nan_indices)
ecolor = list(ecolor)

if xerr is not None:
if not np.iterable(xerr):
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