fix a multiple upload bug. But user also need to use for repeat statement to save the file_objs manually.
fix a multiple upload bug. But user also need to use for repeat statement to save the file_objs manually.

Signed-off-by: Daogang Tang <6435653d2db08e7863743a16df53ecbb301fb4b0@gmail.com>

daogangtang/bamboo,daogangtang/bamboo