code: def test_open_s3():
      ds = fiona.open("zip+s3://fiona-testing/coutwildrnp.zip")
      assert len(ds) == 67
  
imports: import logging
  import sys
  import os
  import pytest
  import boto3
  import fiona
  from fiona.errors import FionaDeprecationWarning
  from fiona.vfs import vsi_path, parse_paths
  from .test_collection import TestReading
  from .test_collection_legacy import ReadingTest
label_desc: Use image node_id 2 for calling a global function with example usage: test_open_s3() without return types