exception documentation

Issued for usage of deprecated APIs.

Class Variable deprecated_since Indicates the version that started raising this deprecation warning

Inherited from HasDescriptionCode:

Method __init__ Undocumented
Method __str__ Undocumented
Instance Variable code Undocumented
Method _code_str Undocumented
deprecated_since: Optional[str] = (source)

Indicates the version that started raising this deprecation warning