def _createimage(self, image):
        pass
Tests that assigning ImageField to None clears dimensions.
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/site-packages/turtle.py/TurtleScreenBase._createimage--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/tests/regressiontests/model_fields/imagefield.py/ImageFieldTwoDimensionsTests.test_assignment_to_None