1  from typing import Any
 2  
 3  class FrozenError(AttributeError):
 4      msg: str = ...
 5  
 6  class FrozenInstanceError(FrozenError): ...
 7  class FrozenAttributeError(FrozenError): ...
 8  class AttrsAttributeNotFoundError(ValueError): ...
 9  class NotAnAttrsClassError(ValueError): ...
10  class DefaultAlreadySetError(RuntimeError): ...
11  class UnannotatedAttributeError(RuntimeError): ...
12  class PythonTooOldError(RuntimeError): ...
13  
14  class NotCallableError(TypeError):
15      msg: str = ...
16      value: Any = ...
17      def __init__(self, msg: str, value: Any) -> None: ...