remove duplicated value
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@ -407,7 +407,7 @@ class ChoiceType extends AbstractType
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$resolver->setAllowedTypes('choice_value', array('null', 'callable', 'string', 'Symfony\Component\PropertyAccess\PropertyPath'));
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$resolver->setAllowedTypes('choice_attr', array('null', 'array', 'callable', 'string', 'Symfony\Component\PropertyAccess\PropertyPath'));
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$resolver->setAllowedTypes('preferred_choices', array('array', '\Traversable', 'callable', 'string', 'Symfony\Component\PropertyAccess\PropertyPath'));
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$resolver->setAllowedTypes('group_by', array('null', 'array', '\Traversable', 'string', 'callable', 'string', 'Symfony\Component\PropertyAccess\PropertyPath'));
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$resolver->setAllowedTypes('group_by', array('null', 'array', '\Traversable', 'callable', 'string', 'Symfony\Component\PropertyAccess\PropertyPath'));
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}
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/**
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