code: def test_session_factory_s3_no_boto3(monkeypatch):
      """Get an AWSSession for s3:// paths"""
      pytest.importorskip("boto3")
      with monkeypatch.context() as mpctx:
          mpctx.setattr("fiona.session.boto3", None)
          sesh = Session.from_path("s3://lol/wut")
          assert isinstance(sesh, DummySession)
  
imports: from unittest import mock
  import pytest
  from fiona.session import DummySession, AWSSession, Session, OSSSession, GSSession, SwiftSession, AzureSession
label_desc: Use image node_id 15 for calling a global function with example usage: test_session_factory_s3_no_boto3(monkeypatch) without return types