added ints in string.format() for 2.6 compability

2014-07-01 15:18:01 +02:00 · 2014-07-01 15:18:01 +02:00 · 191a4e569e
commit 191a4e569e
parent 1cac35be03
1 changed files with 1 additions and 1 deletions
--- a/mongoengine/base/document.py
+++ b/mongoengine/base/document.py
@ -67,7 +67,7 @@ class BaseDocument(object):
            for var in values.keys():
                if var not in self._fields.keys() + ['id', 'pk', '_cls']:
                    msg = (
-                        "The field '{}' does not exist on the document '{}'"
+                        "The field '{0}' does not exist on the document '{1}'"
                    ).format(var, self._class_name)
                    raise FieldDoesNotExist(msg)