44c44
< error("Duplicate enumeration: %s:%s" % (type, self.field_id))
---
> self.error("Duplicate enumeration: %s:%s" % (type, self.field_id))
51c51
< error("State declaration not part of a machine.")
---
> self.error("State declaration not part of a machine.")
57c57
< error("Event declaration not part of a machine.")
---
> self.error("Event declaration not part of a machine.")