When i'm trying simply get some objects from db i getting error:
videos = Video.all().fetch(100)
File "/base/python_lib/versions/1/google/appengine/ext/db/
__init__.py", line 1391, in fetch
return map(self._model_class.from_entity, raw)
File "/base/python_lib/versions/1/google/appengine/ext/db/
__init__.py", line 997, in from_entity
instance = cls(None, _from_entity=True, **entity_values)
File "/base/python_lib/versions/1/google/appengine/ext/db/
__init__.py", line 596, in __init__
prop.__set__(self, value)
File "/base/python_lib/versions/1/google/appengine/ext/db/
__init__.py", line 2581, in __set__
value = self.validate(value)
File "/base/python_lib/versions/1/google/appengine/ext/db/
__init__.py", line 2611, in validate
if value is not None and not value.has_key():
AttributeError: 'unicode' object has no attribute 'has_key'
It happened after i made some changes in my model properties, and just
trying to migrate data to new schema.
And why Get() method checks required option of property? If i had old
objects with such property with Null value, before i set require
option, i can no get this object after update, because i'll have error
required field error.
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