diff -r df8c53ddf0d3 setup.py
--- a/setup.py	Sun Oct 20 11:56:33 2024 +0200
+++ b/setup.py	Wed May 28 15:14:40 2025 +0200
@@ -75,9 +75,6 @@
             print('{:%Y-%d-%mT%H:%M:%S}'.format(datetime.datetime.now()), file=fp, end=' ')
             print(*args, **kw1)
 
-if sys.version_info >= (3, 8):
-    from ast import Str, Num, Bytes, NameConstant  # NOQA
-
 
 def literal_eval(node_or_string):
     """
@@ -98,14 +95,8 @@
         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
+        if isinstance(node, Constant):
+            return node.value
         elif isinstance(node, Tuple):
             return tuple(map(_convert, node.elts))
         elif isinstance(node, List):
@@ -114,8 +105,6 @@
             return set(map(_convert, node.elts))
         elif isinstance(node, Dict):
             return {_convert(k): _convert(v) for k, v in zip(node.keys, node.values)}
-        elif isinstance(node, NameConstant):
-            return node.value
         elif sys.version_info < (3, 4) and isinstance(node, Name):
             if node.id in _safe_names:
                 return _safe_names[node.id]