Remove unused imports

zarr/core.py

@@ -1,11 +1,10 @@
 import binascii
 import hashlib
-from inspect import stack
 import itertools
 import math
 import operator
 import re
-from functools import partial, reduce
+from functools import reduce
 from typing import Any
 import warnings
 

zarr/tests/test_core.py

@@ -2,7 +2,6 @@
 import sys
 import pickle
 import shutil
-import re
 
 from typing import Any, Literal, Optional, Tuple, Union, Sequence
 import unittest