pypy.module.imp.test.apptest_import:test_load_source

def test_load_source():
>       fn = _py_file()

../build/pypy/module/imp/test/apptest_import.py:158: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    def _py_file():
        fname = os.path.join(tempfile.mkdtemp(), '@TEST.py')
>       with open(fname, 'w') as f:
E       LookupError: unknown encoding:

../build/pypy/module/imp/test/apptest_import.py:10: LookupError

builder: pypy-c-jit-macos-arm64 build #1424+

test: pypy.module.imp.test.apptest_import:test_load_source