Unicode characters don't work in jit decorator

[L1nkus]

import codon

@codon.jit
def fun():
    # ś
    return None

"""
Traceback (most recent call last):
    def fun():
  File "~/.local/lib/python3.10/site-packages/codon/decorator.py", line 225, in jit
    return _decorate(fn)
  File "~/.local/lib/python3.10/site-packages/codon/decorator.py", line 195, in _decorate
    _jit.execute(
  File "codon/jit.pyx", line 27, in codon.codon_jit.JITWrapper.execute
  File "stringsource", line 15, in string.from_py.__pyx_convert_string_from_py_std__in_string
UnicodeEncodeError: 'ascii' codec can't encode character '\u015b' in position 17: ordinal not in range(128)
"""