class_docstr: Adapt msg protocol v5 to v4
class_docstr_tok: ["Adapt","msg","protocol","v5","to","v4"]
code: def object_info_request(self, msg):
      content = msg["content"]
      code = content["code"]
      cursor_pos = content["cursor_pos"]
      line, _ = code_to_line(code, cursor_pos)
  
      new_content = msg["content"] = {}
      new_content["oname"] = extract_oname_v4(code, cursor_pos)
      new_content["detail_level"] = content["detail_level"]
      return msg
  
imports: import re
  import json
  from jupyter_client import protocol_version_info
label_desc: Use image node_id 7 for calling the V5toV4 obj's underlying member method code with example usage: obj.object_info_request(msg) and returns: msg