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TST: Ignore deprecations when switching backends. #17963

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Merged
merged 1 commit into from
Jul 22, 2020
Merged

TST: Ignore deprecations when switching backends. #17963

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28 changes: 14 additions & 14 deletions lib/matplotlib/testing/conftest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -78,21 +78,21 @@ def mpl_test_settings(request):
style, = style_marker.args

matplotlib.testing.setup()
if backend is not None:
# This import must come after setup() so it doesn't load the
# default backend prematurely.
import matplotlib.pyplot as plt
try:
plt.switch_backend(backend)
except ImportError as exc:
# Should only occur for the cairo backend tests, if neither
# pycairo nor cairocffi are installed.
if 'cairo' in backend.lower() or skip_on_importerror:
pytest.skip("Failed to switch to backend {} ({})."
.format(backend, exc))
else:
raise
with cbook._suppress_matplotlib_deprecation_warning():
if backend is not None:
# This import must come after setup() so it doesn't load the
# default backend prematurely.
import matplotlib.pyplot as plt
try:
plt.switch_backend(backend)
except ImportError as exc:
# Should only occur for the cairo backend tests, if neither
# pycairo nor cairocffi are installed.
if 'cairo' in backend.lower() or skip_on_importerror:
pytest.skip("Failed to switch to backend {} ({})."
.format(backend, exc))
else:
raise
matplotlib.style.use(style)
try:
yield
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