import multiprocessing as mp

def process_data((id,db)):
  print 'in processdata'
  cursor = db.cursor()
  query = ....
  #cursor.execute(query)
  #....
  .....
  .....
  return row

`if __name__ == '__main__':

  db = getConnection()
  cursor = db.cursor()
  print 'Initialised db connection and cursor'
  inputs = [1,2,3,4,5]
  pool = mp.Pool(processes=2)
  result_list = pool.map(process_data,zip(inputs,repeat(db)))
  #print result_list
  pool.close()
  pool.join()

`Exception in thread Thread-1:
  Traceback (most recent call last):
  File "/usr/lib/python2.6/threading.py", line 532, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.6/threading.py", line 484, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib/python2.6/multiprocessing/pool.py", line 225, in _handle_tasks
    put(task)
  PicklingError: Can't pickle <type 'module'>: attribute lookup __builtin__.module failed`