ошибка

f.write(x)

if response:
    f = open('test.html', 'w')
    f.write( response.read() )
    print 'Succes!'

print 'Save to file...'
response = urllib2.urlopen(request)
f = open('test.html', 'w')
f.write(x)
print 'Succes!'

print 'Save to file...'
response = urllib2.urlopen(request)
if response:
    with open('test.html', 'w') as f:
        f.write( response.read() )
        print 'Succes!'
else:
    print 'No Answer!'

#coding: utf-8
import urllib2
import urllib
 
headers = {'User-Agent' : 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)'}
search = raw_input('Input data for search: ')
values = {'keys': search,
        'op': '&',
        'form_build_id': 'form-ZWYmgEH-T415jUY4VWzHW8R0vAhiq2HI2_6JvTX3odY',
        'form_id': 'quick_search_form'}
data = urllib.urlencode(values)
 
print 'Go to site...'
urllib2.urlopen('http://gosmonitor.ru')
 
print 'Making request...'
request = urllib2.Request('http://gosmonitor.ru/searchform', data, headers)
print 'Making request succes!'
 
print 'Save to file...'
response = urllib2.urlopen(request)
if response:
    with open('test.html', 'w') as f:
        f.write( response.read() )
        print 'Succes!'
else:
    print 'No Answer!'

Input data for search: россия
Go to site...
Making request...
Making request succes!
Save to file...
 
Traceback (most recent call last):
  File "C:\Documents and Settings\Администратор\Рабочий стол\777", line 21, in <module>
    response = urllib2.urlopen(request)
  File "C:\Python27\lib\urllib2.py", line 126, in urlopen
    return _opener.open(url, data, timeout)
  File "C:\Python27\lib\urllib2.py", line 397, in open
    response = meth(req, response)
  File "C:\Python27\lib\urllib2.py", line 510, in http_response
    'http', request, response, code, msg, hdrs)
  File "C:\Python27\lib\urllib2.py", line 429, in error
    result = self._call_chain(*args)
  File "C:\Python27\lib\urllib2.py", line 369, in _call_chain
    result = func(*args)
  File "C:\Python27\lib\urllib2.py", line 605, in http_error_302
    return self.parent.open(new, timeout=req.timeout)
  File "C:\Python27\lib\urllib2.py", line 397, in open
    response = meth(req, response)
  File "C:\Python27\lib\urllib2.py", line 510, in http_response
    'http', request, response, code, msg, hdrs)
  File "C:\Python27\lib\urllib2.py", line 435, in error
    return self._call_chain(*args)
  File "C:\Python27\lib\urllib2.py", line 369, in _call_chain
    result = func(*args)
  File "C:\Python27\lib\urllib2.py", line 518, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 500: Internal Server Error
>>>