fixed missing import

userzimmermann · userzimmermann · commit d4481c355372 · 2016-02-03T20:53:39.000+01:00
diff --git a/robottools/library/keywords/deco.py b/robottools/library/keywords/deco.py
@@ -31,6 +31,7 @@
 __all__ = ['KeywordDecoratorType']
 
 import inspect
+from itertools import chain
 
 from moretools import isstring, dictitems
 
