$ LC_ALL=en_US.iso88591 ./python -m test -vuall test_lltrace ... ====================================================================== FAIL: test_lltrace (test.test_lltrace.TestLLTrace.test_lltrace) ---------------------------------------------------------------------- Traceback (most recent call last): File "/home/serhiy/py/cpython/Lib/test/test_lltrace.py", line 56, in test_lltrace self.assertIn("GET_ITER", stdout) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AssertionError: 'GET_ITER' not found in "\nResuming frame for 'trace_me' in module '__main__'\n\nResuming frame for '<module>'\n stack=[None]\n62: POP_TOP\n stack=[]\n64: DELETE_NAME 3\n stack=[]\n66: PUSH_NULL\n stack=[<nil>]\n68: LOAD_NAME 2\n stack=[<nil>, <function dont_trace_2 at 0x7feae8a28890>]\n70: PRECALL 0\n stack=[<nil>, <function dont_trace_2 at 0x7feae8a28890>]\n74: CALL 0\n" ====================================================================== FAIL: test_lltrace_different_module (test.test_lltrace.TestLLTrace.test_lltrace_different_module) ---------------------------------------------------------------------- Traceback (most recent call last): File "/home/serhiy/py/cpython/Lib/test/test_lltrace.py", line 74, in test_lltrace_different_module self.assertIn('LOAD_CONST', stdout) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AssertionError: 'LOAD_CONST' not found in "\nResuming frame for 'example' in module 'test.test_lltrace'\nthis is an example\n" ----------------------------------------------------------------------