From c43f4fd23ae704e6ab87f5f003ba05ae7d51e39d Mon Sep 17 00:00:00 2001 From: Thomas A Caswell Date: Mon, 6 Feb 2017 17:45:42 -0500 Subject: [PATCH] FIX: in errorbar discard any kwargs which have None value Passing in `None` is a request from the user to 'do the default thing', but by keeping the key:value in the kwargs dict it prevents the default errorbar behavior and falls through to default Line2D behavior which is likely not what is wanted. closes #7899 --- lib/matplotlib/axes/_axes.py | 3 +++ lib/matplotlib/tests/test_axes.py | 16 ++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py index be58e8137b8d..4e7d4f18b785 100644 --- a/lib/matplotlib/axes/_axes.py +++ b/lib/matplotlib/axes/_axes.py @@ -2798,6 +2798,9 @@ def errorbar(self, x, y, yerr=None, xerr=None, .. plot:: mpl_examples/statistics/errorbar_demo.py """ kwargs = cbook.normalize_kwargs(kwargs, _alias_map) + # anything that comes in as 'None', drop so the default thing + # happens down stream + kwargs = {k: v for k, v in kwargs.items() if v is not None} kwargs.setdefault('zorder', 2) if errorevery < 1: diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py index bef80307b61f..4ee4e52e2846 100644 --- a/lib/matplotlib/tests/test_axes.py +++ b/lib/matplotlib/tests/test_axes.py @@ -2365,6 +2365,22 @@ def test_errorbar(): ax.set_title("Simplest errorbars, 0.2 in x, 0.4 in y") +@cleanup +def test_errorbar_colorcycle(): + + f, ax = plt.subplots() + x = np.arange(10) + y = 2*x + + e1, _, _ = ax.errorbar(x, y, c=None) + e2, _, _ = ax.errorbar(x, 2*y, c=None) + ln1, = ax.plot(x, 4*y) + + assert mcolors.to_rgba(e1.get_color()) == mcolors.to_rgba('C0') + assert mcolors.to_rgba(e2.get_color()) == mcolors.to_rgba('C1') + assert mcolors.to_rgba(ln1.get_color()) == mcolors.to_rgba('C2') + + @cleanup def test_errorbar_shape(): fig = plt.figure() pFad - Phonifier reborn

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