a = pycnnum.num2cn(1)
^^^^^^^^^^^^^^^^^
File "..../lib/python3.11/site-packages/pycnnum/pycnnum.py", line 722, in num2cn
if (getattr(result_symbols[0], "int_value", None) == 1) and (getattr(result_symbols[1], "power", None) == 1):
~~~~~~~~~~~~~~^^^
IndexError: list index out of range
code:
error :