slight fix

dronescapes_reader/multitask_dataset.py

@@ -317,8 +317,9 @@ class MultiTaskDataset(Dataset):
         assert all(k in statistics.keys() for k in self.task_names), (list(statistics.keys()), self.task_names)
         res: dict[str, TaskStatistics] = {}
         for k, v in statistics.items():
-            res[k] = tuple(tr.Tensor(x) for x in v)
-            assert all(_stat.shape == (nd := (self.name_to_task[k].n_channels, )) for _stat in res[k]), (res[k], nd)
+            if k in self.task_names:
+                res[k] = tuple(tr.Tensor(x) for x in v)
+                assert all(_stat.shape == (nd := (self.name_to_task[k].n_channels, )) for _stat in res[k]), (res[k], nd)
         logger.info(f"External statistics provided: { {k: tuple(v[0].shape) for k, v in res.items()} }")
         return res