Fix usage example: import weights enum from lucid.models.weights

README.md

@@ -34,7 +34,7 @@ converted to Lucid-native safetensors.
 
 ```python
 import lucid.models as models
-from lucid.models.vision.resnet import XceptionWeights
+from lucid.models.weights import XceptionWeights
 
 # default tag
 model = models.xception_cls(pretrained=True)