UnicodeDecodeError: 'gbk' codec can't decode byte 0xa6 in position 549: illegal multibyte sequence

C:\ub16_prj>livepython yk-demo-mind.py
Traceback (most recent call last):
  File "C:\web\nvm\v11.6.0\node_modules\livepython\bin/../tracer.py", line 189, in <module>
    code = compile(fp.read(), starting_filename, 'exec')
UnicodeDecodeError: 'gbk' codec can't decode byte 0xa6 in position 549: illegal multibyte sequence

C:\ub16_prj>livepython3