release code

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Dassl.ProGrad.pytorch/dassl/modeling/backbone/backbone.py

@@ -0,0 +1,17 @@
+import torch.nn as nn
+
+
+class Backbone(nn.Module):
+
+    def __init__(self):
+        super().__init__()
+
+    def forward(self):
+        pass
+
+    @property
+    def out_features(self):
+        """Output feature dimension."""
+        if self.__dict__.get("_out_features") is None:
+            return None
+        return self._out_features