def update_editor ( self ):
        super( ReadonlyFontEditor, self ).update_editor()
        set_font( self )

    #---------------------------------------------------------------------------
    #  Returns the text representation of a specified font value:
    #---------------------------------------------------------------------------
Return the number of nodes. Use the expression 'len(G)'.
dataset/ETHPy150Open enthought/traitsui/traitsui/qt4/font_editor.py/ReadonlyFontEditor.update_editor--crossover with--dataset/ETHPy150Open networkx/networkx/networkx/classes/tests/timingclasses.py/TimingGraph.__len__