code: def step_impl_dataset_retrieved_by_name(context):
      """Use the Scene's getitem method to get a dataset."""
      context.returned_dataset = context.scene["ds1"]
  
file_path: satpy/satpy/tests/features/steps/steps-load.py
imports: import os
  from urllib.request import urlopen
  from behave import given, then, use_step_matcher, when
label_desc: Use image node_id 8 for calling a global function with example usage: step_impl_dataset_retrieved_by_name(context) without return types