Fix linting issue

Author: asmeurer

array_api_tests/test_statistical_functions.py

@@ -11,7 +11,7 @@
 from . import hypothesis_helpers as hh
 from . import pytest_helpers as ph
 from . import shape_helpers as sh
-from . import xps, api_version
+from . import xps
 from ._array_module import _UndefinedStub
 from .typing import DataType