Add missing types to docstring of ast.literal_eval.
The reST doc was updated but not the docstring.
diff --git a/Lib/ast.py b/Lib/ast.py
index 72237ed..fb5adac 100644
--- a/Lib/ast.py
+++ b/Lib/ast.py
@@ -40,8 +40,8 @@
"""
Safely evaluate an expression node or a string containing a Python
expression. The string or node provided may only consist of the following
- Python literal structures: strings, numbers, tuples, lists, dicts, booleans,
- and None.
+ Python literal structures: strings, bytes, numbers, tuples, lists, dicts,
+ sets, booleans, and None.
"""
_safe_names = {'None': None, 'True': True, 'False': False}
if isinstance(node_or_string, str):