Fix ValueError when loading a fusion-enabled checkpoint twice (#49412)
* Fix ValueError when loading a fusion-enabled checkpoint twice in the same process
Signed-off-by: kaixuanliu <kaixuan.liu@intel.com>
* add related test case
Signed-off-by: kaixuanliu <kaixuan.liu@intel.com>
* update comment
Signed-off-by: kaixuanliu <kaixuan.liu@intel.com>
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Signed-off-by: kaixuanliu <kaixuan.liu@intel.com>