def KeyLEQ(key1, key2):
  if key1 is None or key2 is None:
    return True
  return key1 <= key2
Generates an editor using the "custom" style.
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/bulkloader.py/KeyLEQ--crossover with--dataset/ETHPy150Open enthought/traitsui/traitsui/editor_factory.py/EditorFactory.custom_editor