docstr: Serialize an image list with no keys in the image sets
docstr_tok: ["Serialize","an","image","list","with","no","keys","in","the","image","sets"]
code: def test_serialize_no_key(self):
      """Serialize an image list with no keys in the image sets"""
      x = cellprofiler_core.image.ImageSetList()
      for i in range(5):
          x.get_image_set(i)
      s = x.save_state()
  
      y = cellprofiler_core.image.ImageSetList()
      y.load_state(s)
      assert y.count() == 5
  
file_path: CellProfiler/tests/core/image/test_image_set_list.py
imports: import numpy
  import cellprofiler_core.image
  import cellprofiler_core.image.abstract_image._callback_image
label_desc: Use image node_id 7 for calling the TestImageSetList obj's underlying member method code with example usage: obj.test_serialize_no_key() without return types