diff --git a/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py b/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py
index 3863133c9..252a3c8d4 100755
--- a/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py
+++ b/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_dev_test.py
@@ -24,6 +24,7 @@ import argparse
 import torch
 from lhotse import CutSet, WhisperFbank, WhisperFbankConfig, KaldifeatFbank, KaldifeatFbankConfig, LilcomChunkyWriter
 
+from icefall.utils import str2bool
 # Torch's multithreaded behavior needs to be disabled or
 # it wastes a lot of CPU and slow things down.
 # Do this outside of main() in case it needs to take effect
diff --git a/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py b/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py
index bef2e23d2..bdaad6801 100755
--- a/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py
+++ b/egs/multi_zh-hans/ASR/local/compute_fbank_kespeech_splits.py
@@ -34,6 +34,7 @@ from lhotse import (
     set_caching_enabled,
 )
 
+from icefall.utils import str2bool
 # Torch's multithreaded behavior needs to be disabled or
 # it wastes a lot of CPU and slow things down.
 # Do this outside of main() in case it needs to take effect
diff --git a/egs/multi_zh-hans/ASR/local/compute_fbank_magicdata.py b/egs/multi_zh-hans/ASR/local/compute_fbank_magicdata.py
index ad08b9f19..4706736a0 100755
--- a/egs/multi_zh-hans/ASR/local/compute_fbank_magicdata.py
+++ b/egs/multi_zh-hans/ASR/local/compute_fbank_magicdata.py
@@ -33,7 +33,7 @@ import torch
 from lhotse import CutSet, WhisperFbank, WhisperFbankConfig, Fbank, FbankConfig, LilcomChunkyWriter
 from lhotse.recipes.utils import read_manifests_if_cached
 
-from icefall.utils import get_executor
+from icefall.utils import get_executor, str2bool
 
 # Torch's multithreaded behavior needs to be disabled or
 # it wastes a lot of CPU and slow things down.
diff --git a/egs/multi_zh-hans/ASR/local/compute_fbank_primewords.py b/egs/multi_zh-hans/ASR/local/compute_fbank_primewords.py
index b60787fd8..e47cd430e 100755
--- a/egs/multi_zh-hans/ASR/local/compute_fbank_primewords.py
+++ b/egs/multi_zh-hans/ASR/local/compute_fbank_primewords.py
@@ -33,7 +33,7 @@ import torch
 from lhotse import CutSet, WhisperFbank, WhisperFbankConfig, Fbank, FbankConfig, LilcomChunkyWriter
 from lhotse.recipes.utils import read_manifests_if_cached
 
-from icefall.utils import get_executor
+from icefall.utils import get_executor, str2bool
 
 # Torch's multithreaded behavior needs to be disabled or
 # it wastes a lot of CPU and slow things down.
diff --git a/egs/multi_zh-hans/ASR/local/compute_fbank_stcmds.py b/egs/multi_zh-hans/ASR/local/compute_fbank_stcmds.py
index f156f5fbb..1ff4e1c28 100755
--- a/egs/multi_zh-hans/ASR/local/compute_fbank_stcmds.py
+++ b/egs/multi_zh-hans/ASR/local/compute_fbank_stcmds.py
@@ -33,7 +33,7 @@ import torch
 from lhotse import CutSet, WhisperFbank, WhisperFbankConfig, Fbank, FbankConfig, LilcomChunkyWriter
 from lhotse.recipes.utils import read_manifests_if_cached
 
-from icefall.utils import get_executor
+from icefall.utils import get_executor, str2bool
 
 # Torch's multithreaded behavior needs to be disabled or
 # it wastes a lot of CPU and slow things down.
diff --git a/egs/multi_zh-hans/ASR/local/compute_fbank_thchs30.py b/egs/multi_zh-hans/ASR/local/compute_fbank_thchs30.py
index 5fc462e47..1362180bb 100755
--- a/egs/multi_zh-hans/ASR/local/compute_fbank_thchs30.py
+++ b/egs/multi_zh-hans/ASR/local/compute_fbank_thchs30.py
@@ -33,7 +33,7 @@ import torch
 from lhotse import CutSet, WhisperFbank, WhisperFbankConfig, Fbank, FbankConfig, LilcomChunkyWriter
 from lhotse.recipes.utils import read_manifests_if_cached
 
-from icefall.utils import get_executor
+from icefall.utils import get_executor, str2bool
 
 # Torch's multithreaded behavior needs to be disabled or
 # it wastes a lot of CPU and slow things down.
diff --git a/egs/wenetspeech/ASR/local/compute_fbank_wenetspeech_dev_test.py b/egs/wenetspeech/ASR/local/compute_fbank_wenetspeech_dev_test.py
index 43a1febba..d73644d71 100755
--- a/egs/wenetspeech/ASR/local/compute_fbank_wenetspeech_dev_test.py
+++ b/egs/wenetspeech/ASR/local/compute_fbank_wenetspeech_dev_test.py
@@ -30,6 +30,8 @@ torch.set_num_threads(1)
 torch.set_num_interop_threads(1)
 torch.multiprocessing.set_sharing_strategy("file_system")
 
+from icefall.utils import str2bool
+
 def get_parser():
     parser = argparse.ArgumentParser(
         formatter_class=argparse.ArgumentDefaultsHelpFormatter
diff --git a/egs/wenetspeech/ASR/local/compute_fbank_wenetspeech_splits.py b/egs/wenetspeech/ASR/local/compute_fbank_wenetspeech_splits.py
index 82fb0422c..137dd68de 100755
--- a/egs/wenetspeech/ASR/local/compute_fbank_wenetspeech_splits.py
+++ b/egs/wenetspeech/ASR/local/compute_fbank_wenetspeech_splits.py
@@ -33,6 +33,7 @@ from lhotse import (
     set_caching_enabled,
 )
 
+from icefall.utils import str2bool
 # Torch's multithreaded behavior needs to be disabled or
 # it wastes a lot of CPU and slow things down.
 # Do this outside of main() in case it needs to take effect