multiprocess with django and postgresql

gistfile1.sh

 $ ./fire.py
Traceback (most recent call last):
  File "./fire.py", line 148, in <module>
    main()
  File "./fire.py", line 142, in main
    result = pool.map(go, trigger)
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 250, in map
    return self.map_async(func, iterable, chunksize).get()
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 554, in get
    raise self._value
django_th.models.DoesNotExist: UserService matching query does not exist.

$ ./fire.py
Traceback (most recent call last):
  File "./fire.py", line 148, in <module>
    main()
  File "./fire.py", line 142, in main
    result = pool.map(go, trigger)
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 250, in map
    return self.map_async(func, iterable, chunksize).get()
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 554, in get
    raise self._value
KeyError: '1'

$ ./fire.py
Traceback (most recent call last):
  File "./fire.py", line 148, in <module>
    main()
  File "./fire.py", line 142, in main
    result = pool.map(go, trigger)
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 250, in map
    return self.map_async(func, iterable, chunksize).get()
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 554, in get
    raise self._value
django_th.models.DoesNotExist: ServicesActivated matching query does not exist.