fix pytorch frontend bug (#9884)
fix pytorch frontend bug (#9884)

* fix pytorch frontend bug

* update

* update

Co-authored-by: zhaojinxi <420b003dd19256f5e573b0a1d5ccaf4919b58a34@intellif.com>
dmlc/tvm,dmlc/tvm,dmlc/tvm,dmlc/tvm,dmlc/tvm,dmlc/tvm,dmlc/tvm,dmlc/tvm,dmlc/tvm