fix utc now handling

bindings/python/test/test_builders.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import calendar
-from datetime import UTC, date, datetime, timedelta
+from datetime import date, datetime, timedelta, timezone
 from unittest import TestCase
 
 from bson import Binary, Code, Decimal128, ObjectId
@@ -86,7 +86,7 @@ def test_simple(self):
         self.maxDiff = None
 
         builder = DatetimeBuilder(dtype=timestamp("ms"))
-        datetimes = [datetime.now(UTC) + timedelta(days=k * 100) for k in range(5)]
+        datetimes = [datetime.now(timezone.UTC) + timedelta(days=k * 100) for k in range(5)]
         builder.append(self._datetime_to_millis(datetimes[0]))
         builder.append_values([self._datetime_to_millis(k) for k in datetimes[1:]])
         builder.append_null()

bindings/python/test/test_datetime.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import unittest
-from datetime import UTC, datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from test import client_context
 
 import pytz
@@ -36,8 +36,8 @@ def setUp(self):
         self.coll.drop()
         self.coll.insert_many(
             [
-                {"_id": 1, "data": datetime.now(UTC) + timedelta(milliseconds=10)},
-                {"_id": 2, "data": datetime.now(UTC) + timedelta(milliseconds=25)},
+                {"_id": 1, "data": datetime.now(timezone.UTC) + timedelta(milliseconds=10)},
+                {"_id": 2, "data": datetime.now(timezone.UTC) + timedelta(milliseconds=25)},
             ]
         )
         self.expected_times = []