fix bug

libs/film/eval/interpolator.py

@@ -150,7 +150,6 @@ class Interpolator:
     self._block_shape = block_shape or None
 
   def __del__(self):
-    del self._model
     tf.keras.backend.clear_session()
   
   def interpolate(self, x0: np.ndarray, x1: np.ndarray,
@@ -175,8 +174,6 @@ class Interpolator:
     result = self._model(inputs, training=False)
     image = result['image']
 
-    del self._model
-
     if self._align is not None:
       image = tf.image.crop_to_bounding_box(image, **bbox_to_crop)
     return image.numpy()