Hello,
I'm using Alembic 0.4.1.
I experience such exception:
/usr/lib/python2.7/dist-packages/alembic/script.pyc in get_base(self)
283 """
284 for script in self._revision_map.values():
--> 285 if script.down_revision is None \
286 and script.revision in self._revision_map:
287 return script.revision
AttributeError: 'NoneType' object has no attribute 'down_revision'
It looks that it may happen because in _revision_map() in line 217 there
is:
map_[None] = None
so I understand that in revision_map there is None item.
So line 285 may blow if for loop encounters None item in the map.
It blows only sometimes because the for loop may exit earlier before None
item is encountered.
Is it a bug or do I miss something?
Regards,
Godfryd
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