1 files changed, 1 insertions, 21 deletions

diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index 5cff3f8..6cab1e2 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -2149,29 +2149,9 @@ delta_new(PyTypeObject *type, PyObject *args, PyObject *kw)
     if (leftover_us) {
         /* Round to nearest whole # of us, and add into x. */
         double whole_us = round(leftover_us);
-        int x_is_odd;
         PyObject *temp;
 
-        whole_us = round(leftover_us);
-        if (fabs(whole_us - leftover_us) == 0.5) {
-            /* We're exactly halfway between two integers.  In order
-             * to do round-half-to-even, we must determine whether x
-             * is odd. Note that x is odd when it's last bit is 1. The
-             * code below uses bitwise and operation to check the last
-             * bit. */
-            temp = PyNumber_And(x, one);  /* temp <- x & 1 */
-            if (temp == NULL) {
-                Py_DECREF(x);
-                goto Done;
-            }
-            x_is_odd = PyObject_IsTrue(temp);
-            Py_DECREF(temp);
-            if (x_is_odd == -1) {
-                Py_DECREF(x);
-                goto Done;
-            }
-            whole_us = 2.0 * round((leftover_us + x_is_odd) * 0.5) - x_is_odd;
-        }
+        whole_us = _PyTime_RoundHalfUp(leftover_us);
 
         temp = PyLong_FromLong((long)whole_us);