#NEWLINE# def keys( self ) : #NEWLINE# #INDENT# if ( self . timeout is None ) : #NEWLINE# #INDENT# return dict . keys ( self ) #NEWLINE# #UNINDENT# t0 = time . time ( ) #NEWLINE# return [ self for k in dict . keys ( self ) if ( ( t0 - self . _timetable [ k ] ) < self . timeout ) ]