hermetic_infra

Reviewed By: jasonwhite

Differential Revision: D64105413

fbshipit-source-id: 0d3a27a9a3d9deeaa545e42b9e2d96ed307d5c18

scripts/dump-vdso.py

@@ -22,14 +22,14 @@
 from typing import List, Optional
 
 
-def dump_vdso() -> Optional[List[ctypes.c_ubyte]]:
+def dump_vdso() -> list[ctypes.c_ubyte] | None:
     """
     Returns a list containing the VDSO.
     """
     with open("/proc/self/maps") as f:
         for line in f:
             if "[vdso]" in line:
-                start, end = [int(x, 16) for x in line.split(" ")[0].split("-")]
+                start, end = (int(x, 16) for x in line.split(" ")[0].split("-"))
                 length = end - start
                 return (ctypes.c_ubyte * length).from_address(start)