transformers

91b62f5a - QA doc: import torch before it is used (#24228)

QA doc: import torch before it is used (#24228) * import torch before it is used * style Signed-off-by: byhsu <byhsu@linkedin.com> --------- Signed-off-by: byhsu <byhsu@linkedin.com> Co-authored-by: byhsu <byhsu@linkedin.com>