Minor fix to fill_view test

numpy/ma/tests/test_core.py

@@ -1593,7 +1593,7 @@ def test_fillvalue_in_view(self):
         # cast the fill_value, e.g. if taking an int64 view of an int32 array,
         # in other cases, this cannot be done (e.g. int32 view of an int64
         # array with a large fill_value).
-        y = x.view(np.int32)
+        y = x.view(dtype=np.int32)
         assert_(y.fill_value == 999999)
 
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