oops, tuple() just to be safe

Technologicat · Technologicat · commit 7c91c7b7b4f0 · 2019-04-12T11:50:53.000+03:00
diff --git a/unpythonic/it.py b/unpythonic/it.py
@@ -641,7 +641,7 @@ def empty_iterable():
             return empty_iterable()
     def windowed():
         while True:
-            yield xs
+            yield tuple(xs)
             xs.popleft()
             xs.append(next(it))  # let StopIteration propagate
     return windowed()
