code: def drop_index(
      self, index_name=None, check_task=None, check_items=None, **kwargs
  ):
      timeout = kwargs.get("timeout", TIMEOUT)
      index_name = INDEX_NAME if index_name is None else index_name
      index_name = kwargs.get("index_name", index_name)
      kwargs.update({"timeout": timeout, "index_name": index_name})
  
      func_name = sys._getframe().f_code.co_name
      res, check = api_request([self.collection.drop_index], **kwargs)
      check_result = ResponseChecker(
          res, func_name, check_task, check_items, check, **kwargs
      ).run()
      return res, check_result
  
imports: import sys
  import time
  import timeout_decorator
  from numpy import NaN
  from pymilvus import Collection
  from check.func_check import ResponseChecker
  from utils.api_request import api_request
  from utils.wrapper import trace
  from utils.util_log import test_log
  from pymilvus.orm.types import CONSISTENCY_STRONG
  from common.common_func import param_info
label_desc: Use image node_id 31 for calling the ApiCollectionWrapper obj's underlying member method code with example usage: obj.drop_index(index_name, check_task, check_items) and returns: res,  check_result