<s> from . diagrams import GraphMachine <EOL> from . nesting import HierarchicalMachine <EOL> from . locking import LockedMachine <EOL> from . factory import MachineFactory , HierarchicalGraphMachine , LockedHierarchicalGraphMachine <EOL> from . factory import LockedHierarchicalMachine , LockedGraphMachine </s>
