[squash] no +x

Author: refack

tools/test-ci.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
 cd `dirname $0`/.. > /dev/null
-if [ -z "${PYTHON+x}" ]; then export PYTHON=`which python`; fi
+if [ -z "${PYTHON}" ]; then export PYTHON=`which python`; fi
 "${PYTHON}" tools/test.py -J --mode=release $*
 exit $?