VSCode python "extension error"

"no module named 'jedi language server' vscode" etc.. 

애러 발생 후, 다시 설치하는 절차(?)

1. Uninstall Python extension (if you have pylance uninstall it first).
2. Close all instances of VS Code.
3. Go to, %USERPROFILE%/.vscode/extensions (on windows) or ~/.vscode/extensions on Linux/Mac.
4. Delete any folder with the name starting with ms-python.python*
   --> VSCode 설치파일 삭제 추가 수행했음
5. Start VS Code, and install Python extension (also pylance if you uninstalled it in step 1).

ref: https://github.com/microsoft/vscode/issues/132777