code: def parse_fallback(self):
          
          if self.strict:
              raise PywavefrontException("Unimplemented OBJ format statement '%s' on line '%s'"
                                         % (self.values[0], self.line.rstrip()))
          else:
              logger.warning("Unimplemented OBJ format statement '%s' on line '%s'"
                              % (self.values[0], self.line.rstrip()))
docs: Fallback method when parser doesn't know the statement