def _testRemoveContour():
Migrate a v1 JSON configuration to v2.
dataset/ETHPy150Open typesupply/defcon/Lib/defcon/objects/glyph.py/_testRemoveContour--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/control/_persistence.py/ConfigurationMigration.upgrade_from_v1