Compatibility redirect: if python3 is not available, try python
diff --git a/scripts/config.pl b/scripts/config.pl
index 4f6df09..ed67276 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -4,4 +4,6 @@
 $py =~ s/\.pl$/.py/;
 exec 'python3', $py, @ARGV;
 print STDERR "$0: python3: $!\n";
+exec 'python', $py, @ARGV;
+print STDERR "$0: python: $!\n";
 exit 127;