Format pytest marker changes with black.

Author: Ryan Whitmore

tests/test_benchmarks.py

@@ -100,8 +100,10 @@ def test_unify_chain_stream_large(size, benchmark):
     res = benchmark(unify, form, term, {})
     assert res[a_lv] == "a"
 
+
 @pytest.mark.skipif(
-    platform.python_implementation() == "PyPy" or (platform.python_implementation() == "CPython" and sys.version_info >= (3, 12)),
+    platform.python_implementation() == "PyPy"
+    or (platform.python_implementation() == "CPython" and sys.version_info >= (3, 12)),
     reason="Test skipped on PyPy and CPython 3.12+ due to recursion limit changes.",
 )
 @pytest.mark.benchmark(group="reify_chain")