a few more __all__ lists
diff --git a/Lib/pickle.py b/Lib/pickle.py
index 1ec5b49..b0c6a79 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -31,6 +31,9 @@
 import sys
 import struct
 
+__all__ = ["PickleError", "PicklingError", "UnpicklingError", "Pickler",
+           "Unpickler", "dump", "dumps", "load", "loads"]
+
 format_version = "1.3"                     # File format version we write
 compatible_formats = ["1.0", "1.1", "1.2"] # Old format versions we can read