def __call__(self, errors):
        raise NotImplementedError
If C{__all__} includes a name which is not bound, a warning is emitted.
dataset/ETHPy150Open nicolaiarocci/cerberus/cerberus/errors.py/BaseErrorHandler.__call__--crossover with--dataset/ETHPy150Open kevinw/pyflakes/pyflakes/test/test_imports.py/TestSpecialAll.test_unboundExported