sqlalchemy.orm.exc.DetachedInstanceError

exception documentation

class DetachedInstanceError(sa_exc.SQLAlchemyError): (source)

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An attempt to access unloaded attributes on a mapped instance that is detached.

Class Variable code Undocumented

Inherited from SQLAlchemyError:

Method __str__ Undocumented
Method _message Undocumented
Method _sql_message Undocumented

Inherited from HasDescriptionCode (via SQLAlchemyError):

Method __init__ Undocumented
Method _code_str Undocumented