def refresh_bounds(self):

        bounds = self.get_bounds()

        self.bounds = bounds
Makes sure the given 'model' is joined in the query. If 'model' isn't
dataset/ETHPy150Open tkrajina/gpxpy/gpxpy/gpx.py/GPX.refresh_bounds--crossover with--dataset/ETHPy150Open django/django/django/db/models/sql/query.py/Query.join_parent_model