diff --git a/gensim/similarities/termsim.py b/gensim/similarities/termsim.py
index 6efd7cf154..62d13a0684 100644
--- a/gensim/similarities/termsim.py
+++ b/gensim/similarities/termsim.py
@@ -56,14 +56,8 @@ def most_similar(self, term, topn=10):
         raise NotImplementedError
 
     def __str__(self):
-        return "%s(%s)" % (
-            self.__class__.__name__,
-            ', '.join(
-                '%s=%s' % (key, value)
-                for key, value
-                in vars(self).items()
-            )
-        )
+        members = ', '.join('%s=%s' % pair for pair in vars(self).items())
+        return '%s(%s)' % (self.__class__.__name__, members)
 
 
 class UniformTermSimilarityIndex(TermSimilarityIndex):