class_docstr: Class for building and working with Online Hierarchical Navigable Small World index.
class_docstr_tok: ["Class","for","building","and","working","with","Online","Hierarchical","Navigable","Small","World","index","."]
docstr: Get item from storage by id.
  
  Parameters
  ----------
  id : int
      Index of item in storage.
  
  Returns
  -------
  item : numpy.ndarray
docstr_tok: ["Get","item","from","storage","by","id",".","Parameters","--","--","--","--","--","id",":","int","Index","of","item","in","storage",".","Returns","--","--","--","-","item",":","numpy.ndarray"]
code: def get_item(self, id):
      """
      Get item from storage by id.
  
      Parameters
      ----------
      id : int
          Index of item in storage.
  
      Returns
      -------
      item : numpy.ndarray
      """
      return self._online_index._get_item(id)
  
imports: import sys
  import os
  from six import iteritems
  from enum import IntEnum
  from contextlib import contextmanager
  import json
label_desc: Use image node_id 5 for calling the OnlineHnsw obj's underlying member method code with example usage: obj.get_item(id) and returns: self