__getslice__():  Make this use the constructor form that gets a sequence                  as a parameter; this was the only use of the base                  constructor or surgical alteration of another object's                  data attribute.
__getslice__():  Make this use the constructor form that gets a sequence
                 as a parameter; this was the only use of the base
                 constructor or surgical alteration of another object's
                 data attribute.

This change simplifies the constructor requirements for subclasses.

This relates to SourceForge bug #115928.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator