dnsdist: Explicitly use python2 for tests

diff --git a/regression-tests.dnsdist/runtests b/regression-tests.dnsdist/runtests
index fb53a6b2acd9b034bbc64ba195a39e7a0bc30f57..e405966d77f6823d04f188cbcd6be401d9d17c27 100755 (executable)
--- a/regression-tests.dnsdist/runtests
+++ b/regression-tests.dnsdist/runtests
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 if [ ! -d .venv ]; then
-       virtualenv .venv
+       virtualenv -p python2 .venv
 fi
 . .venv/bin/activate
 python -V