BUG: preserve dtype for right/outer merge of datetime with different resolutions (pandas-dev#53233)

jorisvandenbossche · topper-123 · commit a7fd1b1803a7 · 2023-05-27T08:05:06.000+01:00
diff --git a/pandas/tests/reshape/merge/test_merge.py b/pandas/tests/reshape/merge/test_merge.py
@@ -7,7 +7,6 @@
 
 import numpy as np
 import pytest
-import pytz
 
 from pandas.core.dtypes.common import is_object_dtype
 from pandas.core.dtypes.dtypes import CategoricalDtype
