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Switched from usign a method that was about to be deprecated to normal code.
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@ -126,7 +126,7 @@ class Options(object):
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if self.parents:
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if self.parents:
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# Promote the first parent link in lieu of adding yet another
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# Promote the first parent link in lieu of adding yet another
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# field.
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# field.
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field = self.parents.value_for_index(0)
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field = next(self.parents.itervalues())
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# Look for a local field with the same name as the
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# Look for a local field with the same name as the
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# first parent link. If a local field has already been
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# first parent link. If a local field has already been
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# created, use it instead of promoting the parent
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# created, use it instead of promoting the parent
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