Title: Trait default values are validated even when not ever used · Issue #7769 · ipython/ipython · GitHub
Open Graph Title: Trait default values are validated even when not ever used · Issue #7769 · ipython/ipython
X Title: Trait default values are validated even when not ever used · Issue #7769 · ipython/ipython
Description: from IPython.utils.traitlets import * class Foo(HasTraits): bar = Type(allow_none=False) foo = Foo(bar=int) yields The 'bar' trait of a Foo instance must be a subclass of object, but a value of type 'NoneType' (i.e. None) was specified. ...
Open Graph Description: from IPython.utils.traitlets import * class Foo(HasTraits): bar = Type(allow_none=False) foo = Foo(bar=int) yields The 'bar' trait of a Foo instance must be a subclass of object, but a value of typ...
X Description: from IPython.utils.traitlets import * class Foo(HasTraits): bar = Type(allow_none=False) foo = Foo(bar=int) yields The 'bar' trait of a Foo instance must be a subclass of object, but a valu...
Opengraph URL: https://github.com/ipython/ipython/issues/7769
X: @github
Domain: github.com
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| og:image:alt | from IPython.utils.traitlets import * class Foo(HasTraits): bar = Type(allow_none=False) foo = Foo(bar=int) yields The 'bar' trait of a Foo instance must be a subclass of object, but a value of typ... |
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