90c2b14dc68ff90aca88478927bb7e61cb227da1,core/kernel/source/jetbrains/mps/extapi/persistence/ModelRootBase.java,ModelRootBase,unregister,#SModel#,120
Before Change
SModuleBase module = (SModuleBase) getModule();
assert module != null;
if (module.getModel(model.getModelId()) != null) {
module.unregisterModel((SModelBase) model);
myModels.remove(model);
} else {
LOG.error("Model `" + model.getModelName() + "' is not registered in module `" + module.getModuleName() + "'.", new Throwable());
After Change
assert module.getModel(model.getModelId()) != null;
assert myModels.contains(model);
module.unregisterModel((SModelBase) model);
myModels.remove(model);
}