Make sure we run the python interpreter we want to test

---
 tests/pyatspi/runtests.sh |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tests/pyatspi/runtests.sh
+++ b/tests/pyatspi/runtests.sh
@@ -10,7 +10,7 @@ export TEST_APPLICATION=$top_builddir/te
 run()
 {
   chmod a+x $top_builddir/tests/pyatspi/testrunner
-  $top_builddir/tests/pyatspi/testrunner -l $1 -m $2 -n $3
+  $PYTHON $top_builddir/tests/pyatspi/testrunner -l $1 -m $2 -n $3
   result=$?
   if [ $result -ne 0 ]; then
     ret=$result
