Log Message:
py-traitlets: updated to 5.0.5

5.0.5
*****
- Support deprecated literals for sets, tuples on the command-line: ``nbconvert \ 
--TagRemovePreprocessor.remove_cell_tags='{"tag"}'``
- Fix ``from_string_list`` for Tuples in general
- Fix support for ``List(default_value=None, allow_none=True)`` and other \ 
Container traits
- Fix help output for nested aliases and tuple traits

5.0.4
*****
- Support deprecated use of byte-literals for bytes on the command-line: \ 
``ipython kernel --Session.key="b'abc'"``. The `b` prefix is no longer \ 
needed in traitlets 5.0, but is supported for backward-compatibility
- Improve output of configuration errors, especially when help output would make \ 
it hard to find the helpful error message

5.0.3
*****
- Fix regression in handling `--opt=None` on the CLI for configurable traits
  with `allow_none=True`

5.0.2
*****
- Fix casting bytes to unicode

5.0.0
*****
Traitlets 5.0 is a new version of traitlets that accumulate changes over a \ 
period of more close to four years; A number of
internal refactoring made the internal code structure cleaner and simpler, and \ 
greatly improved the diagnostic error
messages as well has help and documentation generation.