From aaa1d30c8c27a03a998345d1a131e081f995ffac Mon Sep 17 00:00:00 2001
From: Albert Zeyer <albzey@gmail.com>
Date: Tue, 31 Aug 2021 01:03:42 +0200
Subject: [PATCH] DimensionTag TODO same_as_before runtime checks

---
 returnn/tf/util/data.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/returnn/tf/util/data.py b/returnn/tf/util/data.py
index f256fafda..3bfe8d6ec 100644
--- a/returnn/tf/util/data.py
+++ b/returnn/tf/util/data.py
@@ -283,6 +283,7 @@ def set_tag_on_size_tensor(self, x, batch=None, same_as_before=False):
       if x in self._dyn_size_same:
         pass  # ok, pass on
       elif same_as_before:
+        # TODO add runtime test
         self._dyn_size_same.add(x)
         # And now pass on.
       else: