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Diffstat (limited to 'django/core/serializers/python.py')
| -rw-r--r-- | django/core/serializers/python.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/django/core/serializers/python.py b/django/core/serializers/python.py index 6cdfc9f240..195bf11d24 100644 --- a/django/core/serializers/python.py +++ b/django/core/serializers/python.py @@ -47,7 +47,10 @@ class Serializer(base.Serializer): def handle_fk_field(self, obj, field): if self.use_natural_keys and hasattr(field.rel.to, 'natural_key'): related = getattr(obj, field.name) - value = related.natural_key() + if related: + value = related.natural_key() + else: + value = None else: value = getattr(obj, field.get_attname()) self._current[field.name] = value |