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-rw-r--r--numpy/matrixlib/tests/test_masked_matrix.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/numpy/matrixlib/tests/test_masked_matrix.py b/numpy/matrixlib/tests/test_masked_matrix.py
index 45424ecf0..95d3f44b6 100644
--- a/numpy/matrixlib/tests/test_masked_matrix.py
+++ b/numpy/matrixlib/tests/test_masked_matrix.py
@@ -1,4 +1,5 @@
import numpy as np
+from numpy.testing import assert_warns
from numpy.ma.testutils import (assert_, assert_equal, assert_raises,
assert_array_equal)
from numpy.ma.core import (masked_array, masked_values, masked, allequal,
@@ -198,7 +199,8 @@ class TestSubclassing:
# Result should work
assert_equal(add(mx, x), mx+x)
assert_(isinstance(add(mx, mx)._data, np.matrix))
- assert_(isinstance(add.outer(mx, mx), MMatrix))
+ with assert_warns(DeprecationWarning):
+ assert_(isinstance(add.outer(mx, mx), MMatrix))
assert_(isinstance(hypot(mx, mx), MMatrix))
assert_(isinstance(hypot(mx, x), MMatrix))