[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

tests/test_time.py

@@ -145,14 +145,14 @@ def test_naturaldelta_non_finite_floats() -> None:
     timedelta(seconds=value). They should be returned as strings, like float("nan").
     A legitimately too-large *finite* float must still raise OverflowError.
     """
-    import math
     # Non-finite values return the string repr
     assert humanize.naturaldelta(float("inf")) == "inf"
     assert humanize.naturaldelta(float("-inf")) == "-inf"
     # NaN already worked before; confirm it still does
     assert humanize.naturaldelta(float("nan")) == "nan"
     # A truly too-large finite float must still raise (documented behaviour)
     import pytest
+
     with pytest.raises(OverflowError):
         humanize.naturaldelta(1e308 * 10)