diff --git a/egs/aishell/ASR/transducer_stateless_modified-2/asr_datamodule.py b/egs/aishell/ASR/transducer_stateless_modified-2/asr_datamodule.py
index 53c02a640..ed453afd2 100644
--- a/egs/aishell/ASR/transducer_stateless_modified-2/asr_datamodule.py
+++ b/egs/aishell/ASR/transducer_stateless_modified-2/asr_datamodule.py
@@ -226,8 +226,8 @@ class AsrDataModule:
             max_duration=self.args.max_duration,
             shuffle=self.args.shuffle,
             num_buckets=self.args.num_buckets,
-                buffer_size=self.args.num_buckets * 2000,
-                shuffle_buffer_size=self.args.num_buckets * 5000,
+            buffer_size=self.args.num_buckets * 2000,
+            shuffle_buffer_size=self.args.num_buckets * 5000,
             drop_last=True,
         )
 
diff --git a/egs/alimeeting/ASR_v2/pruned_transducer_stateless7/asr_datamodule.py b/egs/alimeeting/ASR_v2/pruned_transducer_stateless7/asr_datamodule.py
index 522c73f71..6b56c8a6a 100644
--- a/egs/alimeeting/ASR_v2/pruned_transducer_stateless7/asr_datamodule.py
+++ b/egs/alimeeting/ASR_v2/pruned_transducer_stateless7/asr_datamodule.py
@@ -263,8 +263,8 @@ class AlimeetingAsrDataModule:
             max_cuts=self.args.max_cuts,
             shuffle=False,
             num_buckets=self.args.num_buckets,
-                buffer_size=self.args.num_buckets * 2000,
-                shuffle_buffer_size=self.args.num_buckets * 5000,
+            buffer_size=self.args.num_buckets * 2000,
+            shuffle_buffer_size=self.args.num_buckets * 5000,
             drop_last=True,
         )
         logging.info("About to create train dataloader")
diff --git a/egs/ami/ASR/pruned_transducer_stateless7/asr_datamodule.py b/egs/ami/ASR/pruned_transducer_stateless7/asr_datamodule.py
index 11f567699..554facfc1 100644
--- a/egs/ami/ASR/pruned_transducer_stateless7/asr_datamodule.py
+++ b/egs/ami/ASR/pruned_transducer_stateless7/asr_datamodule.py
@@ -269,8 +269,8 @@ class AmiAsrDataModule:
             max_cuts=self.args.max_cuts,
             shuffle=False,
             num_buckets=self.args.num_buckets,
-                buffer_size=self.args.num_buckets * 2000,
-                shuffle_buffer_size=self.args.num_buckets * 5000,
+            buffer_size=self.args.num_buckets * 2000,
+            shuffle_buffer_size=self.args.num_buckets * 5000,
             drop_last=True,
         )
         logging.info("About to create train dataloader")
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless3/asr_datamodule.py b/egs/librispeech/ASR/pruned_transducer_stateless3/asr_datamodule.py
index e8f82a366..87c62789e 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless3/asr_datamodule.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless3/asr_datamodule.py
@@ -223,8 +223,8 @@ class AsrDataModule:
             max_duration=self.args.max_duration,
             shuffle=self.args.shuffle,
             num_buckets=self.args.num_buckets,
-                buffer_size=self.args.num_buckets * 2000,
-                shuffle_buffer_size=self.args.num_buckets * 5000,
+            buffer_size=self.args.num_buckets * 2000,
+            shuffle_buffer_size=self.args.num_buckets * 5000,
             drop_last=True,
         )
 
@@ -258,8 +258,8 @@ class AsrDataModule:
             max_duration=self.args.max_duration,
             shuffle=False,
             num_buckets=self.args.num_buckets,
-                buffer_size=self.args.num_buckets * 2000,
-                shuffle_buffer_size=self.args.num_buckets * 5000,
+            buffer_size=self.args.num_buckets * 2000,
+            shuffle_buffer_size=self.args.num_buckets * 5000,
             drop_last=False,
         )
         logging.info("About to create dev dataloader")
@@ -286,8 +286,8 @@ class AsrDataModule:
             max_duration=self.args.max_duration,
             shuffle=False,
             num_buckets=self.args.num_buckets,
-                buffer_size=self.args.num_buckets * 2000,
-                shuffle_buffer_size=self.args.num_buckets * 5000,
+            buffer_size=self.args.num_buckets * 2000,
+            shuffle_buffer_size=self.args.num_buckets * 5000,
         )
         logging.debug("About to create test dataloader")
         test_dl = DataLoader(
diff --git a/egs/spgispeech/ASR/pruned_transducer_stateless2/asr_datamodule.py b/egs/spgispeech/ASR/pruned_transducer_stateless2/asr_datamodule.py
index 67bfcb333..7cd6771ce 100644
--- a/egs/spgispeech/ASR/pruned_transducer_stateless2/asr_datamodule.py
+++ b/egs/spgispeech/ASR/pruned_transducer_stateless2/asr_datamodule.py
@@ -236,8 +236,8 @@ class SPGISpeechAsrDataModule:
             max_duration=self.args.max_duration,
             shuffle=False,
             num_buckets=self.args.num_buckets,
-                buffer_size=self.args.num_buckets * 2000,
-                shuffle_buffer_size=self.args.num_buckets * 5000,
+            buffer_size=self.args.num_buckets * 2000,
+            shuffle_buffer_size=self.args.num_buckets * 5000,
             drop_last=True,
         )
         logging.info("About to create train dataloader")