diff --git a/__init__.py b/__init__.py
old mode 100644
new mode 100755
index cb290f9..166f634
--- a/__init__.py
+++ b/__init__.py
@@ -1 +1,2 @@
+#!/usr/bin/env python
 # allow local includes
diff --git a/bdlstm_utils.py b/bdlstm_utils.py
old mode 100644
new mode 100755
index 6d89cdb..a59d052
--- a/bdlstm_utils.py
+++ b/bdlstm_utils.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import numpy as np
 import tensorflow as tf
 
diff --git a/densenet_layer.py b/densenet_layer.py
old mode 100644
new mode 100755
index 455d43b..ca60164
--- a/densenet_layer.py
+++ b/densenet_layer.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+#!/usr/bin/env python
 #!/usr/bin/python
 import tensorflow as tf
 
diff --git a/generate_speech_data.py b/generate_speech_data.py
old mode 100644
new mode 100755
index 7f522c6..c0b0e4d
--- a/generate_speech_data.py
+++ b/generate_speech_data.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import os
 
 import librosa #mfcc 1.st lib
diff --git a/lstm-tflearn.py b/lstm-tflearn.py
old mode 100644
new mode 100755
index 0b41490..ec8de9f
--- a/lstm-tflearn.py
+++ b/lstm-tflearn.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+#!/usr/bin/env python
 import tensorflow as tf
 import tflearn
 
diff --git a/lstm_ctc_to_chars.py b/lstm_ctc_to_chars.py
old mode 100644
new mode 100755
index 520ea42..495a298
--- a/lstm_ctc_to_chars.py
+++ b/lstm_ctc_to_chars.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/local/bin/python
 from __future__ import print_function
 import numpy as np
diff --git a/lstm_mfcc_ctc_to_words.py b/lstm_mfcc_ctc_to_words.py
old mode 100644
new mode 100755
index ef71ec4..69aeb4a
--- a/lstm_mfcc_ctc_to_words.py
+++ b/lstm_mfcc_ctc_to_words.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/local/bin/python
 from __future__ import print_function
 import numpy as np
diff --git a/lstm_mfcc_to_chars.py b/lstm_mfcc_to_chars.py
old mode 100644
new mode 100755
index 739921b..badbe35
--- a/lstm_mfcc_to_chars.py
+++ b/lstm_mfcc_to_chars.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/local/bin/python
 from __future__ import print_function
 import numpy as np
diff --git a/lstm_to_chars.py b/lstm_to_chars.py
old mode 100644
new mode 100755
index 408e91c..f25524b
--- a/lstm_to_chars.py
+++ b/lstm_to_chars.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+#!/usr/bin/env python
 '''
 Example of a single-layer bidirectional long short-term memory network trained with
 connectionist temporal classification to predict character sequences from nFeatures x nFrames
diff --git a/mfcc_feature_classifier.py b/mfcc_feature_classifier.py
old mode 100644
new mode 100755
index 8ac4466..9083a78
--- a/mfcc_feature_classifier.py
+++ b/mfcc_feature_classifier.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+#!/usr/bin/env python
 #!/usr/bin/python
 import numpy as np
 import tensorflow as tf
diff --git a/number_classifier_tflearn.py b/number_classifier_tflearn.py
old mode 100644
new mode 100755
index 548f9e2..97f8800
--- a/number_classifier_tflearn.py
+++ b/number_classifier_tflearn.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/bin/env PYTHONIOENCODING="utf-8" python
 import tflearn
 import pyaudio
diff --git a/number_gan_layer.py b/number_gan_layer.py
old mode 100644
new mode 100755
index f2d501f..542a57c
--- a/number_gan_layer.py
+++ b/number_gan_layer.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/bin/python
 import speech_data
 import layer
diff --git a/number_gan_tflearn.py b/number_gan_tflearn.py
old mode 100644
new mode 100755
index fcbc602..26c943f
--- a/number_gan_tflearn.py
+++ b/number_gan_tflearn.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import tflearn
 import pyaudio
 import speech_data
diff --git a/record.py b/record.py
old mode 100644
new mode 100755
index e60f819..3264d9a
--- a/record.py
+++ b/record.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+#!/usr/bin/env python
 import subprocess
 import skimage.io
 import traceback
diff --git a/speaker_classifier_tflearn.py b/speaker_classifier_tflearn.py
old mode 100644
new mode 100755
index cd45386..f3436d9
--- a/speaker_classifier_tflearn.py
+++ b/speaker_classifier_tflearn.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/local/bin/python
 #!/usr/bin/env PYTHONIOENCODING="utf-8" python
 import os
diff --git a/spectro_gan.py b/spectro_gan.py
old mode 100644
new mode 100755
index 3082de9..a8af66f
--- a/spectro_gan.py
+++ b/spectro_gan.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/local/bin/python
 import numpy as np
 import tensorflow as tf
diff --git a/speech2text-seq2seq.py b/speech2text-seq2seq.py
old mode 100644
new mode 100755
index 1040eeb..4a5a3c5
--- a/speech2text-seq2seq.py
+++ b/speech2text-seq2seq.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/local/bin/python
 
 
diff --git a/speech2text-tflearn.py b/speech2text-tflearn.py
old mode 100644
new mode 100755
index e3fadbc..3aab726
--- a/speech2text-tflearn.py
+++ b/speech2text-tflearn.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/local/bin/python
 # -*- coding: utf-8 -*-
 from __future__ import division, print_function, absolute_import
diff --git a/speech_data.py b/speech_data.py
old mode 100644
new mode 100755
index 1affeee..6b88713
--- a/speech_data.py
+++ b/speech_data.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/local/bin/python
 """Utilities for downloading and providing data from openslr.org, libriSpeech, Pannous, Gutenberg, WMT, tokenizing, vocabularies."""
 # TODO! see https://github.com/pannous/caffe-speech-recognition for some data sources
diff --git a/speech_encoder.py b/speech_encoder.py
old mode 100644
new mode 100755
index 1eb9527..8c24335
--- a/speech_encoder.py
+++ b/speech_encoder.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 """A simple speech classifer AND autoencoder
 
 1st step : classify+encode the spectogram of 10 spoken digits into one-hot-vector + 'flavor'-vector of size 10
diff --git a/wave_GANerate.py b/wave_GANerate.py
old mode 100644
new mode 100755
index 181fd46..69bc7f2
--- a/wave_GANerate.py
+++ b/wave_GANerate.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #!/usr/bin/python 
 # PYTHONUNBUFFERED=1
 """A simple GAN network and classifer.