failed to import python package when using cacheArchive

[devdoer bird]

HI:

I packed a python module to "mypackage.tar.gz" and upload it to hdfs ,then
visit the package with " -cacheArchive /app/mypackage.tar.gz#mypackage"


But the python script failed to "import mypacakge" , it throw the failed to
import exception " no module named mypacakge".


I need some help.

Thanks.