code: def hmoveto(args):
      if len(args) != 1:
          raise ValueError(args)
      yield ("rmoveto", [args[0], 0])
  
imports: from fontTools.cffLib import maxStackLimit
label_desc: Use image node_id 2 for calling the _GeneralizerDecombinerCommandsMap obj's underlying member method code with example usage: obj.hmoveto(args) without return types