[dynamo] Remove an unused variable in repro.after_aot (#138094)

rec · ezyang · pytorchmergebot · commit 354bc3ac1137 · 2024-10-18T09:37:10.000Z
* Extracted from #133492 Pull Request resolved: #138094 Approved by: https://github.com/ezyang Co-authored-by: Edward Z. Yang <ezyang@meta.com>
diff --git a/torch/_dynamo/repro/after_aot.py b/torch/_dynamo/repro/after_aot.py
@@ -731,14 +731,16 @@ def repro_run(options, mod, load_args):
             raise AccuracyError("Bad accuracy detected")
     else:
         need_sync = False
+
         for arg in args:
             if isinstance(arg, torch.Tensor) and arg.is_cuda:
                 need_sync = True
                 break
-        ref = compiled(list(args))
+
+        compiled(list(args))
+
         if need_sync:
             synchronize()  # ensure segfaults are surfaced
-    return lambda: compiled(list(args))
 
 
 # TODO: lazily load the inputs or something, rather than cloning them
