Problems Pickling after making a program a Daemon

import os
import sys

def read(objlist):
   flog = file("logfile","a")
    try:
        fp = file('newone','r')
    except IOError:
        flog.write('hi In read Couldn\'t open %s for reading' %('newone'))
        sys.exit()
    else:
        flog.write('new one opened in read mode\n')
    i=0
    flag=0
    templist = []
    objlist = cPickle.load(fp)
    flog.write('About to picle the items out')
    flog.write(str(len(objlist)))
    flog.close()

def again_daemon():
    try:
        pid = os.fork()
        if pid > 0:
            #---first parent
            sys.exit(0)
    except OSError,e:
        print >>sys.stderr, "fork #1 failed %d (%s)" % (e.errno,e.strerror)
        sys.exit(1)
    #---make a clean process---
    os.chdir('/')
    os.setsid()
    os.umask(000)
    child_in =open('/dev/null','r')
    child_out=open('/dev/null','w')
    os.dup2(child_in.fileno(), sys.stdin.fileno())
    os.dup2(child_out.fileno(), sys.stdout.fileno())
    os.dup2(child_out.fileno(), sys.stderr.fileno())
    #---second fork---
    try:
        pid = os.fork()
        if pid > 0:
            #---second parent---
            sys.exit(0)
    except OSError, e:
        print >>sys.stderr, "fork #2 failed %d (%s)" % (e.errno,e.strerror)
        sys.exit(1)
    return (0)

if __name__ == "__main__":
 objlist =[]
 retcode = again_daemon()
 read(objlist) 

print >> sys.stderr, 'error message'
sys.exit(1)

raise SystemExit, 'error message'