def validate ( self, object, name, value ):
        from pyface.image_resource import ImageResource

        if value is None:
            return None

        new_value = convert_image( value, 4 )
        if isinstance( new_value, ImageResource ):
            return new_value

        self.error( object, name, value )
``create_virtualenv`` creates links to the pyc files for all the
dataset/ETHPy150Open enthought/traitsui/traitsui/ui_traits.py/Image.validate--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/admin/test/test_packaging.py/CreateVirtualenvTests.test_bootstrap_pyc