build failure on F38

Just updated piglit today and got this:

FAILED: tests/sanity.xml.gz /home/zmike/src/piglit/tests/sanity.xml.gz 
cd /home/zmike/src/piglit/target_api/no_api/tests && /usr/bin/cmake -E env PIGLIT_BUILD_TREE=/home/zmike/src/piglit /usr/bin/python /home/zmike/src/piglit/tests/serializer.py sanity /home/zmike/src/piglit/tests/sanity.py /home/zmike/src/piglit/tests/sanity.xml.gz
Traceback (most recent call last):
  File "/home/zmike/src/piglit/tests/serializer.py", line 158, in <module>
    main()
  File "/home/zmike/src/piglit/tests/serializer.py", line 153, in main
    profile = load_test_profile(args.input, python=True)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/zmike/src/piglit/tests/../framework/profile.py", line 603, in load_test_profile
    mod = importlib.import_module('tests.{0}'.format(name))
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.11/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1206, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1178, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1149, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 940, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/home/zmike/src/piglit/tests/../tests/sanity.py", line 106, in <module>
    add_shader_test(shader_test)
  File "/home/zmike/src/piglit/tests/../tests/sanity.py", line 56, in add_shader_test
    dirpath, filename = os.path.split(os.path.join(basedir, shader))
                                                   ^^^^^^^
UnboundLocalError: cannot access local variable 'basedir' where it is not associated with a value