unindent does not match any outer indentation level

unexpected unindent

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "doktor.py", line 15
    while True:
    ^
IndentationError: unexpected unindent
>>> 

import os
import time
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('localhost', 8000))
s.listen(5)
paths={'e':'/windows/e',
       'g':'/windows/G',
       'f':'/windows/f',
       'z':'/usr/z'}
while True:
	with open('arhiv.txt','a') as fout:
		try:
       		 client, addr = s.accept()
 	while True:
                 data = client.recv(1024)
        if data:
                print >>fout, ("Data: %s" % data)
     	except Exception, ex: 
            print >>fout, ("Some exception!\n",ex)
        try:
                print >>fout, ("IP: {ip}".format(ip=addr))
                print >>fout, ("Host: {name}".format(name=socket.gethostbyaddr(str(addr))))
        except (NameError, socket.error):
                pass
    print >>fout, time.strftime("%d.%m.%Y %H:%M:%S")
    for name in paths.keys():
        print >>fout, '%s acces - %s'%( name,os.access(paths[name],os.F_OK))
    time.sleep(5)