fixes for changes in master

pandas/core/arrays/datetimes.py

@@ -386,15 +386,6 @@ def _resolution(self):
     # ----------------------------------------------------------------
     # Array-Like / EA-Interface Methods
 
-    def __array__(self, dtype=None):
-        if is_object_dtype(dtype):
-            return np.array(list(self), dtype=object)
-        elif is_int64_dtype(dtype):
-            return self.asi8
-
-        # TODO: warn that conversion may be lossy?
-        return self._data.view(np.ndarray)  # follow Index.__array__
-
     def __iter__(self):
         """
         Return an iterator over the boxed values

pandas/core/indexes/datetimelike.py

@@ -230,7 +230,11 @@ class DatetimeIndexOpsMixin(DatetimeLikeArrayMixin):
 
     def __array__(self, dtype=None):
         # TODO properly dispatch to EA
-        return Index.__array__(self)
+        if is_period_dtype(self):
+            return self._data.__array__(dtype=dtype)
+        if is_object_dtype(dtype):
+            return np.array(list(self), dtype=object)
+        return self._data
 
     def equals(self, other):
         """

pandas/tests/arrays/test_datetimelike.py

@@ -168,7 +168,6 @@ def test_array2(self, datetime_index):
         tm.assert_numpy_array_equal(result, expected)
 
     def test_array_i8_dtype(self, tz_naive_fixture):
-        # GH#23524
         tz = tz_naive_fixture
         dti = pd.date_range('2016-01-01', periods=3, tz=tz)
         arr = DatetimeArray(dti)
@@ -180,10 +179,10 @@ def test_array_i8_dtype(self, tz_naive_fixture):
         result = np.array(arr, dtype=np.int64)
         tm.assert_numpy_array_equal(result, expected)
 
-        # check that we are not making copies when setting copy=False
+        # check that we are still making copies when setting copy=False
         result = np.array(arr, dtype='i8', copy=False)
-        assert result.base is expected.base
-        assert result.base is not None
+        assert result.base is not expected.base
+        assert result.base is None
 
     def test_from_dti(self, tz_naive_fixture):
         tz = tz_naive_fixture