def clean_perm_list(self):
        self.cleaned_data['permission'] = reduce(lambda x,y: int(x)|int(y),self.cleaned_data['perm_list'])
Test worksheet selection and activation.
dataset/ETHPy150Open callowayproject/django-objectpermissions/objectpermissions/admin.py/PermissionModelForm.clean_perm_list--crossover with--dataset/ETHPy150Open jmcnamara/XlsxWriter/xlsxwriter/test/comparison/test_simple03.py/TestCompareXLSXFiles.test_create_file