[PATCH 03/14] PerfRepo: only add not None tags that are stringable

[Ondrej Lichtner]

From: Ondrej Lichtner <olichtne(a)redhat.com&gt;

This makes adding tags defined in aliases easier - no need to check for
None values in the Python task since the method will take care of it.

Signed-off-by: Ondrej Lichtner <olichtne(a)redhat.com&gt;
---
 lnst/Controller/PerfRepo.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lnst/Controller/PerfRepo.py b/lnst/Controller/PerfRepo.py
index afa4be9..227f976 100644
--- a/lnst/Controller/PerfRepo.py
+++ b/lnst/Controller/PerfRepo.py
@@ -267,7 +267,9 @@ class PerfRepoTestExecution(PerfRepoObject):
                 return val
 
     def add_tag(self, tag):
-        self._tags.append(tag)
+        if tag is None:
+            return
+        self._tags.append(str(tag))
 
     def get_tags(self):
         return self._tags
-- 
2.6.0