Fixed #22922: Better error message for InvalidBasesError.

This commit is contained in:
Andrew Godwin 2014-07-09 23:57:35 -07:00
parent 008bff92b7
commit b02abd688a
1 changed files with 1 additions and 1 deletions

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@ -68,7 +68,7 @@ class ProjectState(object):
except InvalidBasesError:
new_unrendered_models.append(model)
if len(new_unrendered_models) == len(unrendered_models):
raise InvalidBasesError("Cannot resolve bases for %r" % new_unrendered_models)
raise InvalidBasesError("Cannot resolve bases for %r\nThis can happen if you are inheriting models from an app with migrations (e.g. contrib.auth)\n in an app with no migrations; see https://docs.djangoproject.com/en/1.7/topics/migrations/#dependencies for more" % new_unrendered_models)
unrendered_models = new_unrendered_models
# make sure apps has no dangling references
if self.apps._pending_lookups: