class_docstr: Test the scene class.
class_docstr_tok: ["Test","the","scene","class","."]
docstr: Test simple initialization.
docstr_tok: ["Test","simple","initialization","."]
code: def test_init_alone(self):
      """Test simple initialization."""
      scn = Scene()
      assert not scn._readers, "Empty scene should not load any readers"
  
imports: import os
  import random
  import string
  from copy import deepcopy
  from unittest import mock
  import pytest
  import satpy
  from satpy import Scene
  from satpy.tests.utils import FAKE_FILEHANDLER_END, FAKE_FILEHANDLER_START, spy_decorator
label_desc: Use image node_id 5 for calling the TestScene obj's underlying member method code with example usage: obj.test_init_alone() without return types