fix typo #4904

diff --git a/Lib/pickle.py b/Lib/pickle.py
index 201dc9914bc72ac47d3e31269d13850c50433e53..2947bd4f7fba371f982cbb729b6d3b3146979a99 100644 (file)
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -830,7 +830,7 @@ class _Unpickler:
         return k
 
     def persistent_load(self, pid):
-        raise UnpickingError("unsupported persistent id encountered")
+        raise UnpicklingError("unsupported persistent id encountered")
 
     dispatch = {}