File maxima-python3.patch of Package maxima

Index: maxima-5.47.0/share/draw/vtk.lisp
===================================================================
--- maxima-5.47.0.orig/share/draw/vtk.lisp
+++ maxima-5.47.0/share/draw/vtk.lisp
@@ -3113,7 +3113,7 @@
 
     ;; pull in required packages
     (format cmdstorage "~a~%~a~%~%~a~%~a~%~%~a~%~%"
-      "#!/usr/bin/env python"
+      "#!/usr/bin/python3"
       "# -*- coding: UTF-8 -*-"
       "import vtk"
       "import sys"