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-rw-r--r--Lib/pickle.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/Lib/pickle.py b/Lib/pickle.py
index 02288d8..2baee46 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -502,7 +502,8 @@ class Pickler:
# No recursion (including the empty-tuple case for protocol 0).
self.write(TUPLE)
- self.memoize(object) # XXX shouldn't memoize empty tuple?!
+ if object: # No need to memoize empty tuple
+ self.memoize(object)
dispatch[TupleType] = save_tuple