diff --git a/tensordict/base.py b/tensordict/base.py
index 877fc7f95..867b687da 100644
--- a/tensordict/base.py
+++ b/tensordict/base.py
@@ -3036,8 +3036,9 @@ def map(
         self_split = _split_tensordict(self, chunksize, num_chunks, num_workers, dim)
         print('number of tds', len(self_split))
         chunksize = 1
-        # out = pool.imap_unordered(fn, self_split, chunksize)
-        out = pool.map(fn, self_split, chunksize)
+        out = pool.imap_unordered(fn, self_split, chunksize)
+        # out = pool.map(fn, self_split, chunksize)
+        print('out', out)
         out = torch.cat(list(out), dim)
         return out