DimensionTag TODO declare_same_as self_same_as dyn_size_ext assign safe

albertz · albertz · commit 3b07cbbc4e4a · 2021-09-02T15:12:55.000+02:00
diff --git a/returnn/tf/util/data.py b/returnn/tf/util/data.py
@@ -444,6 +444,7 @@ def declare_same_as(self, other):
         return
       self_same_as.same_as = other_same_base
       self_same_as._same_as_tb = traceback.extract_stack()
+      # TODO this is unsafe, slightly incorrect...
       if self_same_as.dyn_size_ext is None:
         self_same_as.dyn_size_ext = other_same_base.dyn_size_ext
       elif other_same_base.dyn_size_ext is None:
