no need to be argmaex

dronescapes_reader/dronescapes_representations.py

@@ -68,6 +68,9 @@ class SemanticRepresentation(NpzRepresentation):
     @overrides
     def load_from_disk(self, path: Path) -> tr.Tensor:
         res = super().load_from_disk(path)
+        if len(res.shape) == 3:
+            assert res.shape[-1] == self.n_classes, f"Expected {self.n_classes} (HxWxC), got {res.shape[-1]}"
+            res = res.argmax(-1)
         assert len(res.shape) == 2, f"Only argmaxed data supported, got: {res.shape}"
         res = F.one_hot(res.long(), num_classes=self.n_classes).float()
         return res