Solution on some pydantic error

[Hardt-Coded]

error:

xtts2-ui\venv\Lib\site-packages\pydantic\type_adapter.py", line 270, in _init_core_attrs
    self.core_schema = _getattr_no_parents(self._type, '__pydantic_core_schema__')
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\Projects\AI_Stuff\xtts2-ui\venv\Lib\site-packages\pydantic\type_adapter.py", line 55, in _getattr_no_parents
    raise AttributeError(attribute)
AttributeError: __pydantic_core_schema__

run:

    pip install --upgrade pydantic==2.8.2
    pip install --upgrade pydantic-core==2.20.1
    pip install --upgrade fastapi==0.112.4

after that, the app worked and I could finally generate some voices!