Saving with an empty (not required) EmailFiled fails
mapio opened this issue · comments
It seems that the bug described in MongoEngine/flask-mongoengine#44 reproduces quite similarly here.
In particular, just change to email = EmailField() line 31 in the example and you will get this error
which should not be (the None looks suspicious).
Fixed in flask-mongoengine by not using the TextField but a custom field type: NoneStringField that converts u"" to None: