code: def get_dataset_builder(path, conf=None):
      "Get a dataset builder from name and conf."
      module_path = datasets.load.dataset_module_factory(path)
      builder_cls = datasets.load.import_main_class(
          module_path.module_path, dataset=True
      )
      if conf:
          builder_instance = builder_cls(
              name=conf, cache_dir=None, hash=module_path.hash
          )
      else:
          builder_instance = builder_cls(
              cache_dir=None, hash=module_path.hash
          )
      return builder_instance
  
file_path: promptsource/promptsource/utils.py
imports: import os
  import datasets
  import requests
  from promptsource import DEFAULT_PROMPTSOURCE_CACHE_HOME
  from promptsource.templates import INCLUDED_USERS
label_desc: Use image node_id 3 for calling a global function with example usage: get_dataset_builder(path, conf) and returns: builder_instance