EKS Email Extract

#!/usr/bin/python
# -*- coding: utf-8 -*-
from bs4 import BeautifulSoup
import re
import urllib2

unique = []
number = 1
while number < 10000:
    try:
        url = 'https://portal.eks.sk/SpravaDodavatelov/VerejnyProfilDodavatela/Detail/' + str(number)
        page = urllib2.urlopen(url)
        soup = BeautifulSoup(page.read())
        all = soup.select("p")
        match = re.search(r"([\w.-]+)@([\w.-]+)", str(all))
        email = str(match.group())
        print number, " ", email
        unique.append(email)
        number += 1
    except:
        print "Error on site"
        number += 1

print unique
file = open('EKS.txt', 'a')
file.write(str(unique))
file.close()