File maxima-python3.patch of Package maxima

Index: maxima-5.43.2/doc/info/build_html.sh.in
===================================================================
--- maxima-5.43.2.orig/doc/info/build_html.sh.in
+++ maxima-5.43.2/doc/info/build_html.sh.in
@@ -46,7 +46,7 @@ do
   echo "filenamebase = \"$filenamebase\""
   cat $f
 done | @AWK@ '!/^@c / && !/^@c$/ && (/^@deffn/ || /^@defvr/ || /^@end deffn/ || /^@end defvr/ || /@category/ || /@node/ || /^filenamebase/)' | @SED@ -f @abs_srcdir@/extract_categories1.sed | @AWK@ -f @abs_srcdir@/extract_categories1.awk > make-categories.py 
-python make-categories.py 
+@PYTHON@ make-categories.py
 @SED@ -e 's/^@bye/@node Documentation Categories, , Function and Variable Index\n@chapter Documentation Categories/' @abs_srcdir@/maxima.texi > maxima.texi 
 ( for f in Category-*.texi; do echo '@include' $f; done ; echo @bye ) >> maxima.texi 
 
Index: maxima-5.43.2/share/draw/vtk.lisp
===================================================================
--- maxima-5.43.2.orig/share/draw/vtk.lisp
+++ maxima-5.43.2/share/draw/vtk.lisp
@@ -3114,7 +3114,7 @@
 
     ;; pull in requiered packages
     (format cmdstorage "~a~%~a~%~%~a~%~a~%~%~a~%~%"
-      "#!/usr/bin/env python"
+      "#!/usr/bin/python3"
       "# -*- coding: UTF-8 -*-"
       "import vtk"
       "import sys"