diff --git a/lib/func.py b/lib/func.py
index e69de29..00b67d6 100644
--- a/lib/func.py
+++ b/lib/func.py
@@ -0,0 +1,7 @@
+import numpy as np
+
+def sigmoid(x):
+    return 1/(1 + np.exp(-x))
+
+def correctFunc(rgb):
+    return ( rgb[0], rgb[1], rgb[2] )
diff --git a/main.py b/main.py
old mode 100644
new mode 100755
index e69de29..4265cc3
--- a/main.py
+++ b/main.py
@@ -0,0 +1 @@
+#!/usr/bin/env python