What is meant by "default extensions"? Do you mean sample Python extensions from /usr/share/doc/python-caja/examples/ ?
Also, just in case, check if you have anything in the local Python extensions dir:
ls -al ~/.local/share/caja-python/extensions
What is meant by "default extensions"? Do you mean sample Python extensions from /usr/share/ doc/python- caja/examples/ ?
Also, just in case, check if you have anything in the local Python extensions dir:
ls -al ~/.local/ share/caja- python/ extensions