From f456138850a9e4c092cad46df7c0fb5586cf48d1 Mon Sep 17 00:00:00 2001 From: Thomas A Caswell Date: Fri, 13 Mar 2020 15:44:39 -0400 Subject: [PATCH] Backport PR #16735: Make test_stem less flaky. --- lib/matplotlib/tests/test_axes.py | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py index 5edb4f24b44f..93548b2791ca 100644 --- a/lib/matplotlib/tests/test_axes.py +++ b/lib/matplotlib/tests/test_axes.py @@ -3227,10 +3227,15 @@ def test_hist_stacked_weighted(): ax.hist((d1, d2), weights=(w1, w2), histtype="stepfilled", stacked=True) -@pytest.mark.parametrize("use_line_collection", [True, False], - ids=['w/ line collection', 'w/o line collection']) -@image_comparison(['stem.png'], style='mpl20', remove_text=True) -def test_stem(use_line_collection): +@image_comparison(['stem.png', 'stem.png'], style='mpl20', remove_text=True) +def test_stem(): + # Note, we don't use @pytest.mark.parametrize, because in parallel this + # might cause one process result to overwrite another's. + for use_line_collection in [True, False]: + _test_stem(use_line_collection) + + +def _test_stem(use_line_collection): x = np.linspace(0.1, 2 * np.pi, 100) args = (x, np.cos(x)) # Label is a single space to force a legend to be drawn, but to avoid any pFad - Phonifier reborn

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