home$ ./python -m test test_codecs -m test_decode_surrogateescape Using random seed: 2297497288 0:00:00 load avg: 0.07 Run 1 test sequentially in a single process 0:00:00 load avg: 0.07 [1/1] test_codecs test test_codecs failed -- Traceback (most recent call last): File "/home/blue/cpython/Lib/test/test_codecs.py", line 3698, in check_decode_strings decoded = self.decode(encoded, errors) File "/home/blue/cpython/Lib/test/test_codecs.py", line 3665, in decode return _testinternalcapi.DecodeLocaleEx(encoded, 0, errors) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^ RuntimeError: decode error: pos=9, reason=decoding error test_codecs failed (1 error) == Tests result: FAILURE == 1 test failed: test_codecs Total duration: 235 ms Total tests: run=1 (filtered) Total test files: run=1/1 (filtered) failed=1 Result: FAILURE