* Undefined name: BaseModel is defined on line 102
% `flake8 . --count --select=E9,F63,F7,F82,Y --show-source --statistics`
```
./OpenGait/lib/modeling/base_model.py:27:1: F822 undefined name 'BasicModel' in __all__
__all__ = ['BasicModel']
^
1 F822 undefined name 'BasicModel' in __all__
1
```
* Fix typo discovered by codespell