diff --git a/examples/asr/emformer_rnnt/eval.py b/examples/asr/emformer_rnnt/eval.py
index 88a07bdfa1..144085f7ad 100644
--- a/examples/asr/emformer_rnnt/eval.py
+++ b/examples/asr/emformer_rnnt/eval.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import logging
 import pathlib
 from argparse import ArgumentParser
diff --git a/examples/asr/emformer_rnnt/global_stats.py b/examples/asr/emformer_rnnt/global_stats.py
index 7f91509644..bb1cd45d68 100644
--- a/examples/asr/emformer_rnnt/global_stats.py
+++ b/examples/asr/emformer_rnnt/global_stats.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 """Generate feature statistics for training set.
 
 Example:
diff --git a/examples/asr/emformer_rnnt/librispeech/train_spm.py b/examples/asr/emformer_rnnt/librispeech/train_spm.py
index 758a657b17..be0ffb8f3e 100644
--- a/examples/asr/emformer_rnnt/librispeech/train_spm.py
+++ b/examples/asr/emformer_rnnt/librispeech/train_spm.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 """Trains a SentencePiece model on transcripts across LibriSpeech train-clean-100, train-clean-360, and train-other-500.
 
 Example:
diff --git a/examples/asr/emformer_rnnt/mustc/train_spm.py b/examples/asr/emformer_rnnt/mustc/train_spm.py
index 942c764a94..e7d4b1394e 100644
--- a/examples/asr/emformer_rnnt/mustc/train_spm.py
+++ b/examples/asr/emformer_rnnt/mustc/train_spm.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 """Train the SentencePiece model by using the transcripts of MuST-C release v2.0 training set.
 Example:
 python train_spm.py --mustc-path /home/datasets/
diff --git a/examples/asr/emformer_rnnt/pipeline_demo.py b/examples/asr/emformer_rnnt/pipeline_demo.py
index e817fdb68e..ba0f53d76f 100644
--- a/examples/asr/emformer_rnnt/pipeline_demo.py
+++ b/examples/asr/emformer_rnnt/pipeline_demo.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import logging
 import pathlib
 from argparse import ArgumentParser
diff --git a/examples/asr/emformer_rnnt/tedlium3/eval_pipeline.py b/examples/asr/emformer_rnnt/tedlium3/eval_pipeline.py
index a45346bc82..35b9796423 100644
--- a/examples/asr/emformer_rnnt/tedlium3/eval_pipeline.py
+++ b/examples/asr/emformer_rnnt/tedlium3/eval_pipeline.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import logging
 import pathlib
 from argparse import ArgumentParser, RawTextHelpFormatter
diff --git a/examples/asr/emformer_rnnt/tedlium3/train_spm.py b/examples/asr/emformer_rnnt/tedlium3/train_spm.py
index 81b94011db..e9832acf64 100644
--- a/examples/asr/emformer_rnnt/tedlium3/train_spm.py
+++ b/examples/asr/emformer_rnnt/tedlium3/train_spm.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 """Train the SentencePiece model by using the transcripts of TED-LIUM release 3 training set.
 Example:
 python train_spm.py --tedlium-path /home/datasets/
diff --git a/examples/asr/emformer_rnnt/train.py b/examples/asr/emformer_rnnt/train.py
index dcf768a57a..85bedfa831 100644
--- a/examples/asr/emformer_rnnt/train.py
+++ b/examples/asr/emformer_rnnt/train.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import logging
 import pathlib
 from argparse import ArgumentParser