TST: unsortable only on PY3, pandas-dev#11138

Author: jreback

pandas/tests/test_categorical.py

@@ -86,8 +86,14 @@ def test_constructor_unsortable(self):
         factor = Categorical.from_array(arr, ordered=False)
         self.assertFalse(factor.ordered)
 
-        # this however will raise as cannot be sorted
-        self.assertRaises(TypeError, lambda :  Categorical.from_array(arr, ordered=True))
+        if compat.PY3:
+            self.assertRaises(TypeError, lambda :  Categorical.from_array(arr, ordered=True))
+        else:
+            # this however will raise as cannot be sorted (on PY3 or older numpies)
+            if LooseVersion(np.__version__) < "1.10":
+                self.assertRaises(TypeError, lambda :  Categorical.from_array(arr, ordered=True))
+            else:
+                Categorical.from_array(arr, ordered=True)
 
     def test_is_equal_dtype(self):