[Minor] Python...

diff --git a/test/functional/util/merge_coveralls.py b/test/functional/util/merge_coveralls.py
index ddc18690d1f9e1c18b335a8644bc4b3bff5192dc..e1498ac0139a32aa99f0a8f1469343cf7323cf94 100755 (executable)
--- a/test/functional/util/merge_coveralls.py
+++ b/test/functional/util/merge_coveralls.py
@@ -138,7 +138,7 @@ if __name__ == '__main__':
         elif 'DRONE' in os.environ and os.environ['DRONE']:
             j1['service_name'] = 'drone'
 
-    j1['source_files'] = files.values()
+    j1['source_files'] = list(files.values())
 
     with open(args.output, 'w') as f:
         f.write(json.dumps(j1))