In tests, make VisibleDeprecationWarning an error
@@ -11,6 +11,7 @@ filterwarnings =
ignore::UserWarning
error::DeprecationWarning
error::PendingDeprecationWarning
+ error::numpy.VisibleDeprecationWarning
error::numpy.ComplexWarning
# importing old SciPy is warned because it tries to
# import nose via numpy.testing
