Fix copies

Author: Niels Rogge

src/transformers/utils/dummy_pt_objects.py

@@ -1216,6 +1216,30 @@ def __init__(self, *args, **kwargs):
         requires_backends(self, ["torch"])
 
 
+CVT_PRETRAINED_MODEL_ARCHIVE_LIST = None
+
+
+class CvtForImageClassification(metaclass=DummyObject):
+    _backends = ["torch"]
+
+    def __init__(self, *args, **kwargs):
+        requires_backends(self, ["torch"])
+
+
+class CvtModel(metaclass=DummyObject):
+    _backends = ["torch"]
+
+    def __init__(self, *args, **kwargs):
+        requires_backends(self, ["torch"])
+
+
+class CvtPreTrainedModel(metaclass=DummyObject):
+    _backends = ["torch"]
+
+    def __init__(self, *args, **kwargs):
+        requires_backends(self, ["torch"])
+
+
 DATA2VEC_AUDIO_PRETRAINED_MODEL_ARCHIVE_LIST = None