python
diff --git a/‎Lib/lib2to3/refactor.py
Copy file name to clipboardExpand all lines: Lib/lib2to3/refactor.py
+3-1Lines changed: 3 additions & 1 deletion b/‎Lib/lib2to3/refactor.py
Copy file name to clipboardExpand all lines: Lib/lib2to3/refactor.py
+3-1Lines changed: 3 additions & 1 deletion
@@ -564,7 +564,9 @@ def parse_block(self, block, lineno, indent):
         This is necessary to get correct line number / offset information
         in the parser diagnostics and embedded into the parse tree.
         """
-        return self.driver.parse_tokens(self.wrap_toks(block, lineno, indent))
+        tree = self.driver.parse_tokens(self.wrap_toks(block, lineno, indent))
+        tree.future_features = frozenset()
+        return tree
 
     def wrap_toks(self, block, lineno, indent):
         """Wraps a tokenize stream to systematically modify start/end."""