<s> """<STR_LIT>""" <EOL> from traits . api import HasTraits , Instance , Vetoable <EOL> from . workbench_window import WorkbenchWindow <EOL> class WindowEvent ( HasTraits ) : <EOL> """<STR_LIT>""" <EOL> window = Instance ( WorkbenchWindow ) <EOL> class VetoableWindowEvent ( WindowEvent , Vetoable ) : <EOL> """<STR_LIT>""" <EOL> pass </s>
