code: def list(self) -> FlaskResponse:
      return super().render_app_template()
  
imports: import io
  import json
  import os
  import tempfile
  import zipfile
  from typing import Any, TYPE_CHECKING
  import pandas
  from flask import flash, g, redirect
  from flask_appbuilder import expose, SimpleFormView
  from flask_appbuilder.models.sqla.interface import SQLAInterface
  from flask_appbuilder.security.decorators import has_access
  from flask_babel import lazy_gettext
  from werkzeug.wrappers import Response
  from wtforms.fields import StringField
  from wtforms.validators import ValidationError
  import superset.models.core
  from superset import app, db
  from superset.connectors.sqla.models import SqlaTable
  from superset.constants import MODEL_VIEW_RW_METHOD_PERMISSION_MAP, RouteMethod
  from superset.exceptions import CertificateException
  from superset.extensions import event_logger
  from superset.sql_parse import Table
  from superset.superset_typing import FlaskResponse
  from superset.utils import core
  from superset.views.base import DeleteMixin, SupersetModelView, YamlExportMixin
  from .forms import ColumnarToDatabaseForm, CsvToDatabaseForm, ExcelToDatabaseForm
  from .mixins import DatabaseMixin
  from .validators import schema_allows_file_upload, sqlalchemy_uri_validator
label_desc: Use image node_id 2 for calling the DatabaseView obj's underlying member method code with example usage: obj.list() and returns: super