BaseHTTPServer thread does not work

from subprocess import PIPE, Popen
from SocketServer import ThreadingMixIn
from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
import time

def simple_script(self):
   print 'simple_script'
   s = Popen('C:/Python27/python C:/Script1.py 5', shell=True,
             stdout=PIPE, stderr=PIPE)
   out, err = s.communicate()
   print out, err
   self.wfile.write(out)

class Handler(BaseHTTPRequestHandler):
   def do_GET(self):
       self.send_response(200)
       self.end_headers()
       self.wfile.write('{0}\n'.format(time.asctime()))
       simple_script(self)
       return

class ThreadedHTTPServer(ThreadingMixIn, HTTPServer):
   pass

if __name__ == '__main__':
   server = ThreadedHTTPServer(('', 8080), Handler)
   print 'Starting server, use <Ctrl-C> to stop'
   server.serve_forever()

"""
# C:/Script1.py
import time, sys

s = time.time()

while True:
   if time.time() - s > int(sys.argv[1]):
       break
   else:
       time.sleep(1)
       print time.asctime()
"""