def _get_body(self):
new_hash = self.pymux.arrangement.invalidation_hash()<EOL>app = get_app()<EOL>if app in self._bodies_for_app:<EOL><INDENT>existing_hash, container = self._bodies_for_app[app]<EOL>if existing_hash == new_hash:<EOL><INDENT>return container<EOL><DEDENT><DEDENT>new_layout = self._build_layout()<EOL>self._bodies_for_app[app] = (new_hash, new_layout)<EOL>return new_layout<EOL>
Return the Container object for the current CLI.