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WCSAxes test_format_coord_regression fails when plt.ion() is set #5691
Description
I get the following failure when testing Astropy (dev version) on my machine:
____________ test_format_coord_regression ____________
tmpdir = local('/tmp/pytest-of-lim/pytest-5/test_format_coord_regression0')
def test_format_coord_regression(tmpdir):
# Regression test for a bug that meant that if format_coord was called by
# Matplotlib before the axes were drawn, an error occurred.
fig = plt.figure(figsize=(3, 3))
ax = WCSAxes(fig, [0.1, 0.1, 0.8, 0.8])
fig.add_axes(ax)
> assert ax.format_coord(10, 10) == ""
E assert '11.0 11.0 (world)' == ''
E - 11.0 11.0 (world)
astropy/visualization/wcsaxes/tests/test_misc.py:34: AssertionErrorThis is because I have plt.ion() set as a default behavior (as I want it to be). When I manually set plt.ioff() first before running that code snippet, it passes. Hence, this test is flaky and will fail for some people.
Activity
pllim commentedon May 11, 2017
Since this only affects one test on local machine under specific circumstance, I am closing this as "won't fix". We can always revisit if enough people complain about it.