traitlets: traitlets (lightweight Traits-like module)
traitlets:
traitlets: Traitlets is a pure Python library enabling:
traitlets: * the enforcement of strong typing for attributes of Python objects
traitlets: * notifications on changes of trait attributes
traitlets: * automatic validation and coercion of trait attributes when
traitlets:   attempting a change
traitlets:
traitlets:
traitlets:
traitlets: