Index: ruamel.yaml.convert-0.3.2/setup.py
===================================================================
--- ruamel.yaml.convert-0.3.2.orig/setup.py
+++ ruamel.yaml.convert-0.3.2/setup.py
@@ -49,8 +49,7 @@ if sys.version_info < (3, 4):
 
 
 if sys.version_info >= (3, 8):
-
-    from ast import Str, Num, Bytes, NameConstant  # NOQA
+    from ast import Constant  # NOQA
 
 
 if sys.version_info < (3,):
@@ -100,15 +99,7 @@ def literal_eval(node_or_string):
         raise TypeError('only string or AST nodes supported')
 
     def _convert(node):
-        if isinstance(node, Str):
-            if sys.version_info < (3,) and not isinstance(node.s, unicode):
-                return node.s.decode('utf-8')
-            return node.s
-        elif isinstance(node, Bytes):
-            return node.s
-        elif isinstance(node, Num):
-            return node.n
-        elif isinstance(node, Tuple):
+        if isinstance(node, Tuple):
             return tuple(map(_convert, node.elts))
         elif isinstance(node, List):
             return list(map(_convert, node.elts))
@@ -116,7 +107,7 @@ def literal_eval(node_or_string):
             return set(map(_convert, node.elts))
         elif isinstance(node, Dict):
             return dict((_convert(k), _convert(v)) for k, v in zip(node.keys, node.values))
-        elif isinstance(node, NameConstant):
+        elif isinstance(node, Constant):
             return node.value
         elif sys.version_info < (3, 4) and isinstance(node, Name):
             if node.id in _safe_names: