Problem with python module

[Drus566]

Hi, problem with python module. I install pip3 install gruut but problem not leave. Help me please. Thank you.

d1@d1-NBLK-WAX9X:~$ larynx

Traceback (most recent call last):
  File "/usr/lib/python3.8/runpy.py", line 185, in _run_module_as_main
    mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
  File "/usr/lib/python3.8/runpy.py", line 144, in _get_module_details
    return _get_module_details(pkg_main_name, error)
  File "/usr/lib/python3.8/runpy.py", line 111, in _get_module_details
    __import__(pkg_name)
  File "/usr/lib/larynx-tts/larynx/__init__.py", line 8, in <module>
    import gruut
ModuleNotFoundError: No module named 'gruut'