code: def post_update(self, item: "TableModelView") -> None:
      self.post_add(item, flash_message=False, fetch_metadata=False)
  
imports: import logging
  import re
  from flask import flash, Markup, redirect
  from flask_appbuilder import CompactCRUDMixin, expose, permission_name
  from flask_appbuilder.fields import QuerySelectField
  from flask_appbuilder.fieldwidgets import Select2Widget
  from flask_appbuilder.models.sqla.interface import SQLAInterface
  from flask_appbuilder.security.decorators import has_access
  from flask_babel import lazy_gettext
  from wtforms.validators import DataRequired, Regexp
  from superset import db
  from superset.connectors.sqla import models
  from superset.constants import MODEL_VIEW_RW_METHOD_PERMISSION_MAP, RouteMethod
  from superset.superset_typing import FlaskResponse
  from superset.utils import core
  from superset.views.base import BaseSupersetView, DatasourceFilter, DeleteMixin, ListWidgetWithCheckboxes, SupersetModelView, YamlExportMixin
label_desc: Use image node_id 2 for calling the TableModelView obj's underlying member method code with example usage: obj.post_update(item) without return types