more scripts working with python3

PRIVATE

@@ -1 +1 @@
-Subproject commit d2e99e2300bbaf7a33d9dcd4306f7b4e47eec8ca
+Subproject commit b46552b0e3849415a6c280b2070198246853e310

processing/pre/geom_clean.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
 # -*- coding: UTF-8 no BOM -*-
 
 import os,sys,math

processing/pre/geom_renumber.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
 # -*- coding: UTF-8 no BOM -*-
 
 import os,sys,math