$ pwd
/home/serhiy/py/cpy�thon-3.5
$ ./python -m inspect --details unittest
Target: unittest
Traceback (most recent call last):
  File "/home/serhiy/py/cpy\udcffthon-3.5/Lib/runpy.py", line 170, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/serhiy/py/cpy\udcffthon-3.5/Lib/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/home/serhiy/py/cpy\udcffthon-3.5/Lib/inspect.py", line 3050, in <module>
    _main()
  File "/home/serhiy/py/cpy\udcffthon-3.5/Lib/inspect.py", line 3030, in _main
    print('Origin: {}'.format(getsourcefile(module)))
UnicodeEncodeError: 'utf-8' codec can't encode character '\udcff' in position 27: surrogates not allowed