diff --git a/installation/patch/python2to3.sh b/installation/patch/python2to3.sh
new file mode 100755
index 000000000..1d86b0ce7
--- /dev/null
+++ b/installation/patch/python2to3.sh
@@ -0,0 +1,8 @@
+#! /usr/bin/env bash
+if [ $1x != 3to2x ]; then
+  echo 'python2.7 to python'
+  find . -name '*.py' | xargs sed -i 's/usr\/bin\/env python2.7/usr\/bin\/env python/g'
+else
+  echo 'python to python2.7'
+  find . -name '*.py' | xargs sed -i 's/usr\/bin\/env python/usr\/bin\/env python2.7/g'
+fi