class_docstr: Either shows a dropdown or a free text input field for selecting an index
class_docstr_tok: ["Either","shows","a","dropdown","or","a","free","text","input","field","for","selecting","an","index"]
code: def layout(self):
      if self.index_dropdown:
          index_list = self.explainer.get_index_list()
          if len(index_list) > self.max_idxs_in_dropdown:
              return dcc.Dropdown(
                  id=self.name,
                  placeholder=f"Search {self.explainer.index_name} here...",
                  value=self.index,
                  searchable=True,
              )
          else:
              return dcc.Dropdown(
                  id=self.name,
                  placeholder=f"Select {self.explainer.index_name} here...",
                  options=index_list.astype(str).to_list(),
                  searchable=True,
                  value=self.index,
              )
      else:
          return dbc.Input(
              id=self.name,
              placeholder=f"Type {self.explainer.index_name} here...",
              value=self.index,
              debounce=True,
              type="text",
          )
  
imports: import sys
  from abc import ABC
  import inspect
  import types
  from typing import Union, List, Tuple
  from pathlib import Path
  from importlib import import_module
  import socket
  import dash
  from dash import html, dcc, Input, Output, State
  from dash.exceptions import PreventUpdate
  import dash_bootstrap_components
  from .None import to_html
label_desc: Use image node_id 2 for calling the IndexSelector obj's underlying member method code with example usage: obj.layout() and returns: dbc, dcc, dcc