v0.3.9 (2020-06-28)
- Document Python 3 support only. Fail to install on Python 2 (#128, @casperdcl)
- Drop support for Python 3.4 (end of life 2019-03-18)
- Ignore warnings from nbformat.{read,write}
- Support nbformat 2 notebooks without cell metadata
- Add
--extra-keys
flag to pass extra keys to strip (#119) - Apply pre-commit hook to files of type Jupyter