diff --git a/app.py b/app.py
index a229d9e..aa49c5d 100755
--- a/app.py
+++ b/app.py
@@ -1,4 +1,4 @@
-#!flask/bin/python
+#!/usr/bin/env python
 
 # Author: Ngo Duy Khanh
 # Email: ngokhanhit@gmail.com
@@ -61,7 +61,7 @@ def create_thumbnail(image):
         return True
 
     except:
-        print traceback.format_exc()
+        print(traceback.format_exc())
         return False