code: def check_predictor_exists(name):
      assert name in get_predictors_names_list()
  
file_path: mindsdb/tests/integration_tests/flows/http_test_helpers.py
imports: import requests
  import time
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  from .conftest import HTTP_API_ROOT
label_desc: Use image node_id 3 for calling a global function with example usage: check_predictor_exists(name) without return types