'Return a list of functions that should be called as importer
pipelines stages.
The callables are wrapped versions of the functions in
`self.import_stages`. Wrapping provides some bookkeeping for the
plugin: specifically, the logging level is adjusted to WARNING.'

def get_import_stages(self):

    return [self._set_log_level_and_params(logging.WARNING, import_stage) for import_stage in self.import_stages]
