Fix torch 2.4.0 fix

comfy/cmd/main_pre.py

@@ -59,6 +59,7 @@ def _fix_pytorch_240():
         if os.path.exists(dest):
             break
 
+        try:
             with open(test_file, 'rb') as f:
                 contents = f.read()
                 # todo: dubious
@@ -72,6 +73,8 @@ def _fix_pytorch_240():
                     shutil.copyfile(os.path.join(lib_folder, "libiomp5md.dll"), dest)
                 except Exception as exc_info:
                     logging.error("While trying to patch a fix for torch 2.4.0, an error occurred, which means this is unlikely to work", exc_info=exc_info)
+        except:
+            pass
 
 
 def _create_tracer():