Merge pull request #15905 from meeseeksmachine/auto-backport-of-pr-15763-on-v3.2.x

timhoffm · web-flow · commit e2a49d6df8fa · 2019-12-10T23:02:47.000+01:00
Backport PR #15763 on branch v3.2.x (Skip webagg test if tornado is not available.)
diff --git a/lib/matplotlib/tests/test_backend_webagg.py b/lib/matplotlib/tests/test_backend_webagg.py
@@ -6,6 +6,7 @@
 
 @pytest.mark.parametrize("backend", ["webagg", "nbagg"])
 def test_webagg_fallback(backend):
+    pytest.importorskip("tornado")
     if backend == "nbagg":
         pytest.importorskip("IPython")
     env = dict(os.environ)
