code: def __repr__(self) -> str:
      return str(self.name)
  
imports: from flask_appbuilder import Model
  from sqlalchemy import Column, Integer, Text
  from superset.models.helpers import AuditMixinNullable
label_desc: Use image node_id 1 for calling the DynamicPlugin obj's underlying member method code with example usage: obj.__repr__() and returns: str