MAINT,TST: Tidy test_datetime_memoryview a little

1 files changed, 8 insertions, 9 deletions

diff --git a/numpy/core/tests/test_scalarbuffer.py b/numpy/core/tests/test_scalarbuffer.py
index b8c6dd4aa..15226d10b 100644
--- a/numpy/core/tests/test_scalarbuffer.py
+++ b/numpy/core/tests/test_scalarbuffer.py
@@ -76,24 +76,23 @@ class TestScalarPEP3118:
         assert_equal(mv_x.itemsize, mv_a.itemsize)
         assert_equal(mv_x.format, mv_a.format)
 
+    def _as_dict(self, m):
+        return dict(strides=m.strides, shape=m.shape, itemsize=m.itemsize,
+                    ndim=m.ndim, format=m.format)
+
     def test_datetime_memoryview(self):
         # gh-11656
         # Values verified with v1.13.3, shape is not () as in test_scalar_dim
-        def as_dict(m):
-            return dict(strides=m.strides, shape=m.shape, itemsize=m.itemsize,
-                        ndim=m.ndim, format=m.format)
 
         dt1 = np.datetime64('2016-01-01')
         dt2 = np.datetime64('2017-01-01')
-        expected = {'strides': (1,), 'itemsize': 1, 'ndim': 1,
-                    'shape': (8,), 'format': 'B'}
+        expected = dict(strides=(1,), itemsize=1, ndim=1, shape=(8,),
+                        format='B')
         v = memoryview(dt1)
-        res = as_dict(v)
-        assert_equal(res, expected)
+        assert self._as_dict(v) == expected
 
         v = memoryview(dt2 - dt1)
-        res = as_dict(v)
-        assert_equal(res, expected)
+        assert self._as_dict(v) == expected
 
         dt = np.dtype([('a', 'uint16'), ('b', 'M8[s]')])
         a = np.empty(1, dt)