Improve Python 2 only syntax detection (GH-2592)

[etc/vim.git] / src / blib2to3 / pgen2 / token.py

diff --git a/src/blib2to3/pgen2/token.py b/src/blib2to3/pgen2/token.py
index 5870d47a61af532210aebba1b6e61424caea881c..1e0dec9c714d9c5cf518e863e1087761f77a5253 100644 (file)
--- a/src/blib2to3/pgen2/token.py
+++ b/src/blib2to3/pgen2/token.py
@@ -1,7 +1,12 @@
 """Token constants (from "token.h")."""
 
+import sys
 from typing import Dict
-from typing_extensions import Final
+
+if sys.version_info < (3, 8):
+    from typing_extensions import Final
+else:
+    from typing import Final
 
 #  Taken from Python (r53757) and modified to include some tokens
 #   originally monkeypatched in by pgen2.tokenize