Add note about disabling warnings in test_rcparams

jenshnielsen · jenshnielsen · commit 669c379dcc30 · 2014-07-26T11:13:38.000+02:00
diff --git a/lib/matplotlib/tests/test_rcparams.py b/lib/matplotlib/tests/test_rcparams.py
@@ -101,8 +101,13 @@ def test_Bug_2543():
     # This was not possible because validate_bool_maybe_none did not
     # accept None as an argument.
     # https://github.com/matplotlib/matplotlib/issues/2543
+    # We filter warnings at this stage since a number of them are raised
+    # for deprecated rcparams as they should. We dont want these in the
+    # printed in the test suite.
     with warnings.catch_warnings():
-        warnings.filterwarnings('ignore', message='.*(deprecated|obsolete)', category=UserWarning)
+        warnings.filterwarnings('ignore',
+                                message='.*(deprecated|obsolete)',
+                                category=UserWarning)
         with mpl.rc_context():
             _copy = mpl.rcParams.copy()
             for key in six.iterkeys(_copy):
