Fix import wrapping from the newest version of removestar

Author: asmeurer

array_api_tests/special_cases/test_sign.py

@@ -7,7 +7,8 @@
 not modify it directly.
 """
 
-from ..array_helpers import assert_exactly_equal, exactly_equal, greater, less, logical_or, one, zero
+from ..array_helpers import (assert_exactly_equal, exactly_equal, greater, less, logical_or, one,
+                             zero)
 from ..hypothesis_helpers import numeric_arrays
 from .._array_module import sign