gMixin with
from_config()
save_config()
Class attributes:
config_name (str) — A filename under which the config should stored when calling
save_config() (should be overridden by parent class).
ignore_for_config (List[str]) — A list of attributes that should not be saved in the config (should be
overridden by subclass).
has_compatibles (bool) — Whether the class has compatible classes (should be overridden by subclass).
_deprecated_kwargs (List[