docs: def get_code(self):
          """Get the stub code for this class.
  
          :sig: () -> List[str]
          :return: Lines of stub code for this class.
          """
          stub = []
          bases = ("(" + ", ".join(self.bases) + ")") if len(self.bases) > 0 else ""
          slots = {"n": self.name, "b": bases}
          if (len(self.children) == 0) and (len(self.variables) == 0):
              stub.append("class %(n)s%(b)s: ..." % slots)
          else:
              stub.append("class %(n)s%(b)s:" % slots)
              super_code = super().get_code() if PY3 else StubNode.get_code(self)
              for line in super_code:
                  stub.append(INDENT + line)
          return stub