Traceback (most recent call last):


 "migrate.py", line 7, in <module>

models.db.migrate(**app.config['DB_PARAMS'])


 "/home/john/.virtualenv/word/lib/python3.6/site-packages/pony/orm/core.py", line 728, in migrate

return migrate(self, command)


 "/home/john/.virtualenv/word/lib/python3.6/site-packages/pony/migrate/command.py", line 61, in migrate

return _migrate(db, cmd, **kwargs)


 "/home/john/.virtualenv/word/lib/python3.6/site-packages/pony/migrate/command.py", line 96, in _migrate

return graph.make(db=db, empty=empty, custom=custom, description=name)


 "/home/john/.virtualenv/word/lib/python3.6/site-packages/pony/migrate/migration.py", line 289, in make

generated = writer.as_string()


 "/home/john/.virtualenv/word/lib/python3.6/site-packages/pony/migrate/writer.py", line 351, in as_string

body = self._get_operations_block(imports)


 "/home/john/.virtualenv/word/lib/python3.6/site-packages/pony/migrate/writer.py", line 316, in _get_operations_block

self.operations = self._get_ops()


 "/home/john/.virtualenv/word/lib/python3.6/site-packages/pony/migrate/writer.py", line 251, in _get_ops

if attr.entity is not entity: assert False, 'Not implemented'
AttributeError: 'NoneType' object has no attribute 'entity'

Traceback (most recent call last):


 "site-packages\paddlex\cv\transforms\cls_transforms.py", line 76, in __call__
AttributeError: 'NoneType' object has no attribute 'astype'
