class_docstr: Time-related annotation
code: def __repr__(self) -> str:
      return str(self.short_descr)
  
file_path: superset/superset/models/annotations.py
imports: from typing import Any
  from flask_appbuilder import Model
  from sqlalchemy import Column, DateTime, ForeignKey, Index, Integer, String, Text
  from sqlalchemy.orm import relationship
  from superset.models.helpers import AuditMixinNullable
label_desc: Use image node_id 2 for calling the Annotation obj's underlying member method code with example usage: obj.__repr__() and returns: str