'filter()' now returns a generator.

04832afb · Tres Seaver · c2ae37d5 · 04832afb
Commit 04832afb authored Dec 10, 2012 by Tres Seaver
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BTrees/tests/common.py BTrees/tests/common.py +2 -3

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--- a/BTrees/tests/common.py
+++ b/BTrees/tests/common.py
@@ -2160,9 +2160,8 @@ class SetConflictTestBase(ConflictTestBase):
 def lsubtract(l1, l2):
    l1 = list(l1)
    l2 = list(l2)
-    l = filter(lambda x, l1=l1: x not in l1, l2)
+    return (list(filter(lambda x, l1=l1: x not in l1, l2)) +
-    l = l + filter(lambda x, l2=l2: x not in l2, l1)
+            list(filter(lambda x, l2=l2: x not in l2, l1)))
-    return l
 def realseq(itemsob):
    return [x for x in itemsob]