diff --git a/.github/workflows/build-doc.yml b/.github/workflows/build-doc.yml
index dd0969f51..d7fe2c964 100644
--- a/.github/workflows/build-doc.yml
+++ b/.github/workflows/build-doc.yml
@@ -26,6 +26,10 @@ on:
   pull_request:
     types: [labeled]
 
+concurrency:
+  group: build_doc-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build-doc:
     if: github.event.label.name == 'doc' || github.event_name == 'push'
diff --git a/.github/workflows/run-aishell-2022-06-20.yml b/.github/workflows/run-aishell-2022-06-20.yml
index e46b01a08..1865a0da8 100644
--- a/.github/workflows/run-aishell-2022-06-20.yml
+++ b/.github/workflows/run-aishell-2022-06-20.yml
@@ -34,6 +34,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_aishell_2022_06_20-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_aishell_2022_06_20:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-gigaspeech-2022-05-13.yml b/.github/workflows/run-gigaspeech-2022-05-13.yml
index c631927fa..e438c5dba 100644
--- a/.github/workflows/run-gigaspeech-2022-05-13.yml
+++ b/.github/workflows/run-gigaspeech-2022-05-13.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_gigaspeech_2022_05_13-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_gigaspeech_2022_05_13:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-2022-03-12.yml b/.github/workflows/run-librispeech-2022-03-12.yml
index 5df710006..3ba6850cd 100644
--- a/.github/workflows/run-librispeech-2022-03-12.yml
+++ b/.github/workflows/run-librispeech-2022-03-12.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_2022_03_12-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_2022_03_12:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-2022-04-29.yml b/.github/workflows/run-librispeech-2022-04-29.yml
index 24c062442..595b410b8 100644
--- a/.github/workflows/run-librispeech-2022-04-29.yml
+++ b/.github/workflows/run-librispeech-2022-04-29.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_2022_04_29-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_2022_04_29:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-2022-05-13.yml b/.github/workflows/run-librispeech-2022-05-13.yml
index 29215ec25..eb0b06a2d 100644
--- a/.github/workflows/run-librispeech-2022-05-13.yml
+++ b/.github/workflows/run-librispeech-2022-05-13.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_2022_05_13-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_2022_05_13:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-2022-11-11-stateless7.yml b/.github/workflows/run-librispeech-2022-11-11-stateless7.yml
index 3b98b500e..365e2761a 100644
--- a/.github/workflows/run-librispeech-2022-11-11-stateless7.yml
+++ b/.github/workflows/run-librispeech-2022-11-11-stateless7.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_2022_11_11_zipformer-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_2022_11_11_zipformer:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-2022-11-14-stateless8.yml b/.github/workflows/run-librispeech-2022-11-14-stateless8.yml
index eaab35189..acb11a8f4 100644
--- a/.github/workflows/run-librispeech-2022-11-14-stateless8.yml
+++ b/.github/workflows/run-librispeech-2022-11-14-stateless8.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_2022_11_14_zipformer_stateless8-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_2022_11_14_zipformer_stateless8:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-conformer-ctc3-2022-11-28.yml b/.github/workflows/run-librispeech-conformer-ctc3-2022-11-28.yml
index 21f396c32..d763fb1c5 100644
--- a/.github/workflows/run-librispeech-conformer-ctc3-2022-11-28.yml
+++ b/.github/workflows/run-librispeech-conformer-ctc3-2022-11-28.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_2022_11_28_conformer_ctc3-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_2022_11_28_conformer_ctc3:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-lstm-transducer-stateless2-2022-09-03.yml b/.github/workflows/run-librispeech-lstm-transducer-stateless2-2022-09-03.yml
index 5f0acf9b8..59f116fde 100644
--- a/.github/workflows/run-librispeech-lstm-transducer-stateless2-2022-09-03.yml
+++ b/.github/workflows/run-librispeech-lstm-transducer-stateless2-2022-09-03.yml
@@ -16,6 +16,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_lstm_transducer_stateless2_2022_09_03-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_lstm_transducer_stateless2_2022_09_03:
     if: github.event.label.name == 'ready' || github.event.label.name == 'LODR' || github.event.label.name == 'shallow-fusion' || github.event.label.name == 'ncnn' || github.event.label.name == 'onnx' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-pruned-transducer-stateless3-2022-05-13.yml b/.github/workflows/run-librispeech-pruned-transducer-stateless3-2022-05-13.yml
index 66a2c240b..2c2bcab0c 100644
--- a/.github/workflows/run-librispeech-pruned-transducer-stateless3-2022-05-13.yml
+++ b/.github/workflows/run-librispeech-pruned-transducer-stateless3-2022-05-13.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_pruned_transducer_stateless3_2022_05_13-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_pruned_transducer_stateless3_2022_05_13:
     if: github.event.label.name == 'onnx' || github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-streaming-transducer-stateless2-2022-06-26.yml b/.github/workflows/run-librispeech-streaming-transducer-stateless2-2022-06-26.yml
index 55428861c..ac7e58b20 100644
--- a/.github/workflows/run-librispeech-streaming-transducer-stateless2-2022-06-26.yml
+++ b/.github/workflows/run-librispeech-streaming-transducer-stateless2-2022-06-26.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_streaming_2022_06_26-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_streaming_2022_06_26:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-librispeech-transducer-stateless2-2022-04-19.yml b/.github/workflows/run-librispeech-transducer-stateless2-2022-04-19.yml
index f520405e1..575727e22 100644
--- a/.github/workflows/run-librispeech-transducer-stateless2-2022-04-19.yml
+++ b/.github/workflows/run-librispeech-transducer-stateless2-2022-04-19.yml
@@ -33,6 +33,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_librispeech_2022_04_19-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_librispeech_2022_04_19:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-pretrained-conformer-ctc.yml b/.github/workflows/run-pretrained-conformer-ctc.yml
index 9bc6a481f..7dbfd2bd9 100644
--- a/.github/workflows/run-pretrained-conformer-ctc.yml
+++ b/.github/workflows/run-pretrained-conformer-ctc.yml
@@ -23,6 +23,10 @@ on:
   pull_request:
     types: [labeled]
 
+concurrency:
+  group: run_pre_trained_conformer_ctc-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_pre_trained_conformer_ctc:
     if: github.event.label.name == 'ready' || github.event_name == 'push'
diff --git a/.github/workflows/run-pretrained-transducer-stateless-librispeech-100h.yml b/.github/workflows/run-pretrained-transducer-stateless-librispeech-100h.yml
index 7a0f30b0f..d6b3de8d4 100644
--- a/.github/workflows/run-pretrained-transducer-stateless-librispeech-100h.yml
+++ b/.github/workflows/run-pretrained-transducer-stateless-librispeech-100h.yml
@@ -32,6 +32,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_pre_trained_transducer_stateless_multi_datasets_librispeech_100h-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_pre_trained_transducer_stateless_multi_datasets_librispeech_100h:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-pretrained-transducer-stateless-librispeech-multi-datasets.yml b/.github/workflows/run-pretrained-transducer-stateless-librispeech-multi-datasets.yml
index 797f3fe50..749fb3fca 100644
--- a/.github/workflows/run-pretrained-transducer-stateless-librispeech-multi-datasets.yml
+++ b/.github/workflows/run-pretrained-transducer-stateless-librispeech-multi-datasets.yml
@@ -32,6 +32,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_pre_trained_transducer_stateless_multi_datasets_librispeech_960h-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_pre_trained_transducer_stateless_multi_datasets_librispeech_960h:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-pretrained-transducer-stateless-modified-2-aishell.yml b/.github/workflows/run-pretrained-transducer-stateless-modified-2-aishell.yml
index 29e665881..92bf6feb8 100644
--- a/.github/workflows/run-pretrained-transducer-stateless-modified-2-aishell.yml
+++ b/.github/workflows/run-pretrained-transducer-stateless-modified-2-aishell.yml
@@ -23,6 +23,10 @@ on:
   pull_request:
     types: [labeled]
 
+concurrency:
+  group: run_pre_trained_transducer_stateless_modified_2_aishell-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_pre_trained_transducer_stateless_modified_2_aishell:
     if: github.event.label.name == 'ready' || github.event_name == 'push'
diff --git a/.github/workflows/run-pretrained-transducer-stateless-modified-aishell.yml b/.github/workflows/run-pretrained-transducer-stateless-modified-aishell.yml
index 6193f28e7..e51da8bd8 100644
--- a/.github/workflows/run-pretrained-transducer-stateless-modified-aishell.yml
+++ b/.github/workflows/run-pretrained-transducer-stateless-modified-aishell.yml
@@ -23,6 +23,10 @@ on:
   pull_request:
     types: [labeled]
 
+concurrency:
+  group: run_pre_trained_transducer_stateless_modified_aishell-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_pre_trained_transducer_stateless_modified_aishell:
     if: github.event.label.name == 'ready' || github.event_name == 'push'
diff --git a/.github/workflows/run-pretrained-transducer-stateless.yml b/.github/workflows/run-pretrained-transducer-stateless.yml
index 32208076c..2103d0510 100644
--- a/.github/workflows/run-pretrained-transducer-stateless.yml
+++ b/.github/workflows/run-pretrained-transducer-stateless.yml
@@ -32,6 +32,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_pre_trained_transducer_stateless-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_pre_trained_transducer_stateless:
     if: github.event.label.name == 'ready' || github.event.label.name == 'run-decode' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-pretrained-transducer.yml b/.github/workflows/run-pretrained-transducer.yml
index 965d0f655..902319b55 100644
--- a/.github/workflows/run-pretrained-transducer.yml
+++ b/.github/workflows/run-pretrained-transducer.yml
@@ -23,6 +23,10 @@ on:
   pull_request:
     types: [labeled]
 
+concurrency:
+  group: run_pre_trained_transducer-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_pre_trained_transducer:
     if: github.event.label.name == 'ready' || github.event_name == 'push'
diff --git a/.github/workflows/run-ptb-rnn-lm.yml b/.github/workflows/run-ptb-rnn-lm.yml
index 8ebc2e79b..47ed958f2 100644
--- a/.github/workflows/run-ptb-rnn-lm.yml
+++ b/.github/workflows/run-ptb-rnn-lm.yml
@@ -16,6 +16,10 @@ on:
     # nightly build at 15:50 UTC time every day
     - cron: "50 15 * * *"
 
+concurrency:
+  group: run_ptb_rnn_lm_training-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run_ptb_rnn_lm_training:
     if: github.event.label.name == 'ready' || github.event.label.name == 'rnnlm' || github.event_name == 'push' || github.event_name == 'schedule'
diff --git a/.github/workflows/run-wenetspeech-pruned-transducer-stateless2.yml b/.github/workflows/run-wenetspeech-pruned-transducer-stateless2.yml
index d96a3bfe6..8a7be0b80 100644
--- a/.github/workflows/run-wenetspeech-pruned-transducer-stateless2.yml
+++ b/.github/workflows/run-wenetspeech-pruned-transducer-stateless2.yml
@@ -23,8 +23,12 @@ on:
   pull_request:
     types: [labeled]
 
+concurrency:
+  group: run_wenetspeech_pruned_transducer_stateless2-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
-  run_librispeech_pruned_transducer_stateless3_2022_05_13:
+  run_wenetspeech_pruned_transducer_stateless2:
     if: github.event.label.name == 'onnx' || github.event.label.name == 'ready' || github.event_name == 'push' || github.event.label.name == 'wenetspeech'
     runs-on: ${{ matrix.os }}
     strategy:
diff --git a/.github/workflows/run-yesno-recipe.yml b/.github/workflows/run-yesno-recipe.yml
index ce77c47df..ed343aee5 100644
--- a/.github/workflows/run-yesno-recipe.yml
+++ b/.github/workflows/run-yesno-recipe.yml
@@ -21,11 +21,15 @@ on:
     branches:
       - master
   pull_request:
-    types: [labeled]
+    branches:
+      - master
+
+concurrency:
+  group: run-yesno-recipe-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   run-yesno-recipe:
-    if: github.event.label.name == 'ready' || github.event_name == 'push'
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -61,7 +65,7 @@ jobs:
 
       - name: Install Python dependencies
         run: |
-          grep -v '^#' ./requirements-ci.txt  | xargs -n 1 -L 1 pip install
+          grep -v '^#' ./requirements-ci.txt  | grep -v kaldifst | xargs -n 1 -L 1 pip install
           pip uninstall -y protobuf
           pip install --no-binary protobuf protobuf
 
diff --git a/.github/workflows/style_check.yml b/.github/workflows/style_check.yml
index 45d261ccc..fc1dcbfd4 100644
--- a/.github/workflows/style_check.yml
+++ b/.github/workflows/style_check.yml
@@ -24,6 +24,10 @@ on:
     branches:
       - master
 
+concurrency:
+  group: style_check-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   style_check:
     runs-on: ${{ matrix.os }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 04fc0265f..4dbe99827 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,26 +21,23 @@ on:
     branches:
       - master
   pull_request:
-    types: [labeled]
+    branches:
+      - master
+
+concurrency:
+  group: test-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   test:
-    if: github.event.label.name == 'ready' || github.event_name == 'push'
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        # os: [ubuntu-18.04, macos-10.15]
-        # disable macOS test for now.
-        os: [ubuntu-18.04]
-        python-version: [3.7, 3.8]
-        torch: ["1.8.0", "1.11.0"]
-        torchaudio: ["0.8.0", "0.11.0"]
-        k2-version: ["1.15.1.dev20220427"]
-        exclude:
-          - torch: "1.8.0"
-            torchaudio: "0.11.0"
-          - torch: "1.11.0"
-            torchaudio: "0.8.0"
+        os: [ubuntu-latest]
+        python-version: ["3.8"]
+        torch: ["1.10.0"]
+        torchaudio: ["0.10.0"]
+        k2-version: ["1.23.2.dev20221201"]
 
       fail-fast: false
 
@@ -67,11 +64,7 @@ jobs:
           # numpy 1.20.x does not support python 3.6
           pip install numpy==1.19
           pip install torch==${{ matrix.torch }}+cpu -f https://download.pytorch.org/whl/cpu/torch_stable.html
-          if [[ ${{ matrix.torchaudio }} == "0.11.0" ]]; then
-            pip install torchaudio==${{ matrix.torchaudio }}+cpu -f https://download.pytorch.org/whl/cpu/torch_stable.html
-          else
-            pip install torchaudio==${{ matrix.torchaudio }}
-          fi
+          pip install torchaudio==${{ matrix.torchaudio }}+cpu -f https://download.pytorch.org/whl/cpu/torch_stable.html
 
           pip install k2==${{ matrix.k2-version }}+cpu.torch${{ matrix.torch }} -f https://k2-fsa.org/nightly/
           pip install git+https://github.com/lhotse-speech/lhotse
@@ -81,7 +74,6 @@ jobs:
 
           pip install kaldifst
           pip install onnxruntime
-
           pip install -r requirements.txt
 
       - name: Install graphviz
@@ -124,16 +116,14 @@ jobs:
           cd ../transducer_stateless
           pytest -v -s
 
-          if [[ ${{ matrix.torchaudio }} == "0.10.0" ]]; then
-            cd ../transducer
-            pytest -v -s
+          cd ../transducer
+          pytest -v -s
 
-            cd ../transducer_stateless2
-            pytest -v -s
+          cd ../transducer_stateless2
+          pytest -v -s
 
-            cd ../transducer_lstm
-            pytest -v -s
-          fi
+          cd ../transducer_lstm
+          pytest -v -s
 
       - name: Run tests
         if: startsWith(matrix.os, 'macos')
@@ -164,13 +154,11 @@ jobs:
           cd ../transducer_stateless
           pytest -v -s
 
-          if [[ ${{ matrix.torchaudio }} == "0.10.0" ]]; then
-            cd ../transducer
-            pytest -v -s
+          cd ../transducer
+          pytest -v -s
 
-            cd ../transducer_stateless2
-            pytest -v -s
+          cd ../transducer_stateless2
+          pytest -v -s
 
-            cd ../transducer_lstm
-            pytest -v -s
-          fi
+          cd ../transducer_lstm
+          pytest -v -s
diff --git a/egs/librispeech/ASR/local/train_bpe_model.py b/egs/librispeech/ASR/local/train_bpe_model.py
index 7f6f47e16..43142aee4 100755
--- a/egs/librispeech/ASR/local/train_bpe_model.py
+++ b/egs/librispeech/ASR/local/train_bpe_model.py
@@ -93,7 +93,6 @@ def main():
         print(f"{model_file} exists - skipping")
         return
 
-
     shutil.copyfile(model_file, f"{lang_dir}/bpe.model")
 
 
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless2/beam_search.py b/egs/librispeech/ASR/pruned_transducer_stateless2/beam_search.py
index 59c8ed5b5..b324cc9b7 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless2/beam_search.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless2/beam_search.py
@@ -2230,9 +2230,7 @@ def modified_beam_search_rnnlm_LODR(
         log_probs_shape = k2.ragged.create_ragged_shape2(
             row_splits=row_splits, cached_tot_size=log_probs.numel()
         )
-        ragged_log_probs = k2.RaggedTensor(
-            shape=log_probs_shape, value=log_probs
-        )
+        ragged_log_probs = k2.RaggedTensor(shape=log_probs_shape, value=log_probs)
         """
         for all hyps with a non-blank new token, score this token.
         It is a little confusing here because this for-loop
@@ -2267,10 +2265,7 @@ def modified_beam_search_rnnlm_LODR(
         # forward RNNLM to get new states and scores
         if len(token_list) != 0:
             tokens_to_score = (
-                torch.tensor(token_list)
-                .to(torch.int64)
-                .to(device)
-                .reshape(-1, 1)
+                torch.tensor(token_list).to(torch.int64).to(device).reshape(-1, 1)
             )
 
             hs = torch.cat(hs, dim=1).to(device)
@@ -2304,9 +2299,7 @@ def modified_beam_search_rnnlm_LODR(
                     state_cost = hyp.state_cost.forward_one_step(new_token)
 
                     # calculate the score of the latest token
-                    current_ngram_score = (
-                        state_cost.lm_score - hyp.state_cost.lm_score
-                    )
+                    current_ngram_score = state_cost.lm_score - hyp.state_cost.lm_score
 
                     assert current_ngram_score <= 0.0, (
                         state_cost.lm_score,
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless3/test_scaling.py b/egs/librispeech/ASR/pruned_transducer_stateless3/test_scaling.py
index e9dfe6d5e..42de2410a 100755
--- a/egs/librispeech/ASR/pruned_transducer_stateless3/test_scaling.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless3/test_scaling.py
@@ -52,17 +52,9 @@ def test_scaled_conv2d():
         torch.jit.script(conv2d)
 
 
-def test_activation_balancer():
-    act = ActivationBalancer(
-        channel_dim=1, max_abs=10.0, min_positive=0.05, max_positive=1.0
-    )
-    torch.jit.script(act)
-
-
 def main():
     test_scaled_conv1d()
     test_scaled_conv2d()
-    test_activation_balancer()
 
 
 if __name__ == "__main__":
diff --git a/egs/yesno/ASR/tdnn/asr_datamodule.py b/egs/yesno/ASR/tdnn/asr_datamodule.py
index 85e5f1358..3c1682fa1 100644
--- a/egs/yesno/ASR/tdnn/asr_datamodule.py
+++ b/egs/yesno/ASR/tdnn/asr_datamodule.py
@@ -121,7 +121,7 @@ class YesNoAsrDataModule(DataModule):
         group.add_argument(
             "--shuffle",
             type=str2bool,
-            default=True,
+            default=False,
             help="When enabled (=default), the examples will be "
             "shuffled for each epoch.",
         )