python3 compatible, not python2 anymore

scripts/Qalbum-thumbnailer

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright 2016 Ville Rantanen
 #
@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from qalbum import Qalbum
-from argparse import ArgumentParser 
+from argparse import ArgumentParser
 import os
 
 # (c) ville.q.rantanen@gmail.com
@@ -37,6 +37,7 @@ def traverse(path,options):
             traverse(os.path.join(path,p),options)
     return
 
+
 def setupoptions():
     ''' Setup options '''
     usage='''Usage: %(prog)s [options] folder
@@ -62,13 +63,15 @@ folder is the root folder of the image album (defaults to current folder).'''
     options=Qalbum.setupdefaultoptions(options)
     return options
 
+
 def execute():
     ''' Main execution '''
     options=setupoptions()
     traverse(options.startpath,options)
     return
 
+
 if __name__ == "__main__":
     execute()
-   
+