drmaa.errors.DeniedByDrmException: code 17: job rejected: no script in your request

[liuyaming1]

add -clear parameter in <jt.nativeSpecification>, we got problem as title said.
remove -clear parameter, everything went well.
please give me some clue about this issue.
THANKS.

script:
#!/usr/bin/env python

import drmaa
import os

def main():
"""
Submit a job.
Note, need file called sleeper.sh in current directory.
"""
with drmaa.Session() as s:
print('Creating job template')
jt = s.createJobTemplate()
jt.workingDirectory = os.getcwd()
jt.remoteCommand = os.path.join(os.getcwd(), 'test.sh')
jt.nativeSpecification = "-clear -binding linear:1 -P MASSspe -q bc.q -cwd -l vf=0.5g -l num_proc=1"
#jt.nativeSpecification = "-binding linear:1 -P MASSspe -q bc.q -cwd -l vf=0.5g -l num_proc=1"
jobid = s.runJob(jt)
print('Your job has been submitted with ID %s' % jobid)

    print('Cleaning up')
    s.deleteJobTemplate(jt)

if name=='main':
main()