diff options
| -rw-r--r-- | django/db/models/fields/related.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/django/db/models/fields/related.py b/django/db/models/fields/related.py index 3e861cddd2..d904f56cd6 100644 --- a/django/db/models/fields/related.py +++ b/django/db/models/fields/related.py @@ -1007,6 +1007,10 @@ class ManyToManyField(RelatedField, Field): assert not to._meta.abstract, "%s cannot define a relation with abstract class %s" % (self.__class__.__name__, to._meta.object_name) except AttributeError: # to._meta doesn't exist, so it must be RECURSIVE_RELATIONSHIP_CONSTANT assert isinstance(to, basestring), "%s(%r) is invalid. First parameter to ManyToManyField must be either a model, a model name, or the string %r" % (self.__class__.__name__, to, RECURSIVE_RELATIONSHIP_CONSTANT) + # Python 2.6 and earlier require dictionary keys to be of str type, + # not unicode and class names must be ASCII (in Python 2.x), so we + # forcibly coerce it here (breaks early if there's a problem). + to = str(to) kwargs['verbose_name'] = kwargs.get('verbose_name', None) kwargs['rel'] = ManyToManyRel(to, |