"""
options = List(Either(String, Tuple(String, String)), help=
Available selection options. Options may be provided either as a list of
possible string values, or as a list of tuples, each of the form
``(value, label)``. In the latter case, the visible widget text for each
After Change
""" Single-select widget.
"""
options = Either( List(Either(String, Tuple(Either(Int,String), String))),
Dict(String, List(Either(String, Tuple(Either(Int,String), String)))), help=
Available selection options. Options may be provided either as a list of
possible string values, or as a list of tuples, each of the form
``(value, label)``. In the latter case, the visible widget text for each
