diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.model.py.swp b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.model.py.swp
index de74f75c7..3524682be 100644
Binary files a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.model.py.swp and b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.model.py.swp differ
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/model.py b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/model.py
index 4b0fc5f84..1ed3bed29 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/model.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/model.py
@@ -207,9 +207,7 @@ class Transducer(nn.Module):
         from beam_search import greedy_search_batch, greedy_search_batch_target_input
 
         assert x.size(0) == x_lens.size(0) == y.dim0
-
         encoder_out, x_lens = self.encoder(x, x_lens)
-        assert torch.all(x_lens > 0)
 
         hyps = []
         #hyp_tokens = greedy_search_batch_target_input(self, encoder_out, x_lens, decoder_out)