def _load_subclasses(package):
global _explicit_subclasses<EOL>from acorn.config import settings<EOL>spack = settings(package)<EOL>if spack is not None:<EOL><INDENT>if spack.has_section("<STR_LIT>"):<EOL><INDENT>_explicit_subclasses.update(dict(spack.items("<STR_LIT>")))<EOL><DEDENT><DEDENT>
Loads the subclass settings for the specified package so that we can
    decorate the classes correctly.