Log Message:
py-urwid: updated to 2.4.6

2.4.6

Bug fixes

Special case: Columns PACK item not fit as FIXED and support FLOW

2.4.5

Bug fixes

Special case: allow not subclassed incomplete widgets in Columns/Pile
Fix: columns rendered with a non-first Selectable widget should not skip other items

Documentation

Documentation: get rid of deprecated code, typing

Refactoring

Deduplicate code in frame module
Extend typing annotations