ModuleNotFoundError: No module named 'unicode_data' in coverage.py

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environment ：Python 3.9 in openEuler-22.03-LTS
nototools version：0 ；release：3
Traceback (most recent call last):
File "/usr/bin/notocoverage", line 33, in
sys.exit(load_entry_point('nototools==0.0.1', 'console_scripts', 'notocoverage')())
File "/usr/bin/notocoverage", line 25, in importlib_load_entry_point
return next(matches).load()
File "/usr/lib64/python3.9/importlib/metadata.py", line 77, in load
module = import_module(match.group('module'))
File "/usr/lib64/python3.9/importlib/init.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "", line 1030, in _gcd_import
File "", line 1007, in _find_and_load
File "", line 986, in _find_and_load_unlocked
File "", line 680, in _load_unlocked
File "", line 850, in exec_module
File "", line 228, in _call_with_frames_removed
File "/usr/lib/python3.9/site-packages/nototools/coverage.py", line 25, in
import unicode_data
ModuleNotFoundError: No module named 'unicode_data'