diff --git a/py-polars/tests/unit/functions/test_as_datatype.py b/py-polars/tests/unit/functions/test_as_datatype.py
index 6ceebfb2745b..86fbb0fdfd14 100644
--- a/py-polars/tests/unit/functions/test_as_datatype.py
+++ b/py-polars/tests/unit/functions/test_as_datatype.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import sys
 from datetime import date, datetime
 from typing import TYPE_CHECKING
 
@@ -9,14 +8,12 @@
 import polars as pl
 from polars.testing import assert_frame_equal, assert_series_equal
 
-if sys.version_info >= (3, 9):
-    from zoneinfo import ZoneInfo
-else:
-    # Import from submodule due to typing issue with backports.zoneinfo package:
-    # https://github.com/pganssle/zoneinfo/issues/125
-    from backports.zoneinfo._zoneinfo import ZoneInfo
 if TYPE_CHECKING:
+    from zoneinfo import ZoneInfo
+
     from polars.type_aliases import TimeUnit
+else:
+    from polars.utils.convert import get_zoneinfo as ZoneInfo
 
 
 def test_date_datetime() -> None: