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-rw-r--r--Lib/copy.py10
1 files changed, 5 insertions, 5 deletions
diff --git a/Lib/copy.py b/Lib/copy.py
index 6d7bb9a..a69bc4e 100644
--- a/Lib/copy.py
+++ b/Lib/copy.py
@@ -121,13 +121,13 @@ def deepcopy(x, memo=None, _nil=[]):
See the module's __doc__ string for more info.
"""
+ d = id(x)
if memo is None:
memo = {}
-
- d = id(x)
- y = memo.get(d, _nil)
- if y is not _nil:
- return y
+ else:
+ y = memo.get(d, _nil)
+ if y is not _nil:
+ return y
cls = type(x)