Imported modules are compiled to bytecode and frozen on import, so changing the code in-place won't change what actually get run when the code is called unless

Imported modules are compiled to bytecode and frozen on import, so changing the code in-place won't change what actually get run when the code is called unless you clear the bytecode cache and re-import. importlib provide a reload method for this purpose: https://docs.python.org/3.8/library/importlib.html#importlib.reload https://docs.python.org/3.8/library/importlib.html#importlib...