gh-102778: Add sys.last_exc, deprecate sys.last_type, sys.last_value,sys.last_traceback (#102779)

1 files changed, 4 insertions, 1 deletions

diff --git a/Lib/dis.py b/Lib/dis.py
index 9edde6a..c3d152b 100644
--- a/Lib/dis.py
+++ b/Lib/dis.py
@@ -118,7 +118,10 @@ def distb(tb=None, *, file=None, show_caches=False, adaptive=False):
     """Disassemble a traceback (default: last traceback)."""
     if tb is None:
         try:
-            tb = sys.last_traceback
+            if hasattr(sys, 'last_exc'):
+                tb = sys.last_exc.__traceback__
+            else:
+                tb = sys.last_traceback
         except AttributeError:
             raise RuntimeError("no last traceback to disassemble") from None
         while tb.tb_next: tb = tb.tb_next