diff options
Diffstat (limited to 'django')
| -rw-r--r-- | django/db/models/fields/related.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/django/db/models/fields/related.py b/django/db/models/fields/related.py index 2de9ec8abd..8add38d6b0 100644 --- a/django/db/models/fields/related.py +++ b/django/db/models/fields/related.py @@ -1565,6 +1565,8 @@ class ManyToManyField(RelatedField): """ Return the value of this field in the given model instance. """ + if obj.pk is None: + return [] qs = getattr(obj, self.attname).all() if qs._result_cache is not None: return [item.pk for item in qs] |