def __getitem__(self, name):
if name not in self.fields and name in self.composite_fields:<EOL><INDENT>field = self.composite_fields[name]<EOL>return field.get_bound_field(self, name)<EOL><DEDENT>return super(SuperFormMixin, self).__getitem__(name)<EOL>
Returns a ``django.forms.BoundField`` for the given field name. It also
returns :class:`~django_superform.boundfield.CompositeBoundField`
instances for composite fields.