def METHOD_NAME(self):
    # do this in the background, indicate busyness
    from bioimageio.spec.shared import BIOIMAGEIO_COLLECTION, BIOIMAGEIO_COLLECTION_ERROR
    self.clear()
    if BIOIMAGEIO_COLLECTION is None:
        logger.error(f"Error fetching models from bioimage.io: {BIOIMAGEIO_COLLECTION_ERROR}")
        return
    self.addItem("choose model..", {})
    self.insertSeparator(1)
    for model in BIOIMAGEIO_COLLECTION["collection"]:
        if "shallow2deep" in model["tags"]:
            self.addItem(model["name"], model)
    self.insertSeparator(self.count())
    self.addItem("select file", BioImageModelCombo._SELECT_FILE)