pylint/checkers/utils.py
def error_of_type(handler: astroid.ExceptHandler, error_type) -> bool:
    """
    Check if the given exception handler catches
    the given error_type.

    The *handler* parameter is a node, representing an ExceptHandler node.
    The *error_type* can be an exception, such as AttributeError,
    the name of an exception, or it can be a tuple of errors.
    The function will return True if the handler catches any of the
    given errors.
    """

    def stringify_error(error):
        if not isinstance(error, str):
            return error.__name__
        return error

    if not isinstance(error_type, tuple):
        error_type = (error_type,)  # type: ignore
    expected_errors = {stringify_error(error) for error in error_type}  # type: ignore
    if not handler.type:
        return True
    return handler.catch(expected_errors)
def error_of_type(handler: astroid.ExceptHandler, error_type) -> bool:
    """
    Check if the given exception handler catches
    the given error_type.

    The *handler* parameter is a node, representing an ExceptHandler node.
    The *error_type* can be an exception, such as AttributeError,
    the name of an exception, or it can be a tuple of errors.
    The function will return True if the handler catches any of the
    given errors.
    """

    def stringify_error(error):
        if not isinstance(error, str):
            return error.__name__
        return error

    if not isinstance(error_type, tuple):
        error_type = (error_type,)  # type: ignore
    expected_errors = {stringify_error(error) for error in error_type}  # type: ignore
    if not handler.type:
        return True
    return handler.catch(expected_errors)
Check if the given exception handler catches
    the given error_type.

    The *handler* parameter is a node, representing an ExceptHandler node.
    The *error_type* can be an exception, such as AttributeError,
    the name of an exception, or it can be a tuple of errors.
    The function will return True if the handler catches any of the
    given errors.