Not sure what Is going wrong the program runs but does not seem to be outputting anything.

import pycurl
import json
import time
from io import BytesIO

i = 0
bnums = []

while True :
print(str(i))
buffer = BytesIO()
c = pycurl.Curl()
c.setopt(c.WRITEDATA, buffer)
c.setopt(c.ENCODING, 'gzip,deflate')
c.setopt(pycurl.HTTPHEADER, ['Pragma: no-cache',
    'Accept-Language: en-US,en;q=0.8,it;q=0.6',
    'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36',
    'Accept: text/javascript, text/html, application/xml, text/xml, */*',
    'X-Prototype-Version: 1.7.3',
    'X-Requested-With: XMLHttpRequest',
    'Cookie: PHPSESSID=brfmu8t0mopjk7l96gooerm9b3; bzc=8jdes06rltfc; pwr_new_tooltip=true; bzu=r8desr59d4ds; pwr_selc_auctid=false',
    'Connection: keep-alive',
    'If-Modified-Since: Thu, 1 Jan 1970 00:00:00 GMT',
    'Referer: http://www.beezid.com/morphic-men-s-m34-series-watch-white-dial',
    'Cache-Control: no-cache'
    ])
c.setopt(c.URL, 'http://www.beezid.com/auctions/updater/id:1157971/bid:' str(i))
c.perform()
c.close()
js = buffer.getvalue()
try:
    jl = json.loads(js)
    if len(jl['bids']) > 0:
        for bid in jl['bids']:
            if bid['id'] > i:
                i = bid['id']
            if any(str(bid['id']) in s for s in bnums):
                pass
            else:
                bnums.append(str(bid['id']))
                with open("log.txt", "a") as myfile:
                    myfile.write(json.dumps(bid))
                    myfile.write("\n")
except:
    pass
time.sleep(.5)