Revert using pp

Author: donBarbos

Lib/pickle.py

@@ -1922,4 +1922,4 @@ def _loads(s, /, *, fix_imports=True, encoding="ASCII", errors="strict",
         else:
             with open(fn, 'rb') as f:
                 obj = load(f)
-        pprint.pp(obj)
+        pprint.pprint(obj)