Change the python3 shebang to env to find python3 automatically

README.md

@@ -19,8 +19,6 @@ pip3 install python-xmp-toolkit
 XMP Toolkit also needs the [Exempi Library](http://libopenraw.freedesktop.org/wiki/Exempi). This one can be install via brew or macports directly.
 See more information for [Python XMP Tool kit](http://python-xmp-toolkit.readthedocs.io/)
 
-The scripts python3 enviroment path (#!...) needs to be set so it points to a valid python3 install.
-
 ## Command line arguments
 
 reverse_geolocate.py [-h] -x

bin/reverse_geolocate.py

@@ -1,7 +1,4 @@
-#!/opt/local/bin/python3
-
-# /opt is for MacPorts
-# /usr is for Brew
+#!/usr/bin/env python3
 
 # AUTHOR : Clemens Schwaighofer
 # DATE   : 2018/2/20