As we want to enforce a unique and explicit Python 3 interpreter,
we need let this script handle 'python3' too.

Suggested-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200130163232.10446-3-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 tests/qemu-iotests/check | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/qemu-iotests/check b/tests/qemu-iotests/check
index 39ed5bc1be..f5afb12016 100755
--- a/tests/qemu-iotests/check
+++ b/tests/qemu-iotests/check
@@ -838,7 +838,8 @@ do
 
         start=$(_wallclock)
 
-        if [ "$(head -n 1 "$source_iotests/$seq")" == "#!/usr/bin/env python" ]; then
+        if [ "$(head -n 1 "$source_iotests/$seq" | sed 's/3$//')" \
+            == "#!/usr/bin/env python" ]; then
             if $python_usable; then
                 run_command="$PYTHON $seq"
             else
-- 
2.21.1