code: def _generate(self, step_name):
      for name, tp in self._get_declarations():
          kind, realname = name.split(" ", 1)
          try:
              method = getattr(
                  self, "_generate_cpy_%s_%s" % (kind, step_name)
              )
          except AttributeError:
              raise VerificationError(
                  "not implemented in verify(): %r" % name
              )
          try:
              method(tp, realname)
          except Exception as e:
              model.attach_exception_info(e, name)
              raise
  
imports: import sys, imp
  from .None import model
  from .error import VerificationError
label_desc: Use image node_id 11 for calling the VCPythonEngine obj's underlying member method code with example usage: obj._generate(step_name) without return types