lib: fix path the led to group_nl_converted being referenced when not set

Signed-off-by: Lou Berger <lberger@labn.net>

diff --git a/tests/topotests/lib/lutil.py b/tests/topotests/lib/lutil.py
index d74d806f0bce5facbaa9b9f80ddbc1cdb5dae1e1..fe134914836c301e9ef51bd498f6d2c49990813b 100755 (executable)
--- a/tests/topotests/lib/lutil.py
+++ b/tests/topotests/lib/lutil.py
@@ -208,6 +208,8 @@ Total %-4d                                                           %-4d %d\n\
        if search_nl != None:
            group_nl = search_nl.group()
            group_nl_converted = " ".join(group_nl.splitlines())
+        else:
+           group_nl_converted = None
 
         out = " ".join(out.splitlines())
         search = re.search(regexp, out)