for past 24 hours cannot build Dockerfile due to
pyzor download consistently fails as acknowledged by sourceforce ops at

    https://twitter.com/sfnet_ops

"SourceForge is experiencing connectivity issues. We are working with our upstream provider."

Step 38/62 : RUN razor-admin -create && razor-admin -register && pyzor discover
---> Running in b1f7d1c17ed2
Register successful. Identity stored in /var/lib/amavis/.razor/identity-ruiYeoVskC
downloading servers from http://pyzor.sourceforge.net/cgi-bin/inform-servers-0-3-x
Traceback (most recent call last):
File "/usr/bin/pyzor", line 8, in
pyzor.client.run()
File "/usr/lib/python2.7/dist-packages/pyzor/client.py", line 1022, in run
ExecCall().run()
File "/usr/lib/python2.7/dist-packages/pyzor/client.py", line 186, in run
download(config.get('client', 'DiscoverServersURL'), servers_fn)
File "/usr/lib/python2.7/dist-packages/pyzor/client.py", line 1031, in download
open(outfile, "wb").write(urllib2.urlopen(url).read())
File "/usr/lib/python2.7/urllib2.py", line 154, in urlopen
return opener.open(url, data, timeout)
File "/usr/lib/python2.7/urllib2.py", line 429, in open
response = self._open(req, data)
File "/usr/lib/python2.7/urllib2.py", line 447, in _open
'_open', req)
File "/usr/lib/python2.7/urllib2.py", line 407, in _call_chain
result = func(*args)
File "/usr/lib/python2.7/urllib2.py", line 1228, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "/usr/lib/python2.7/urllib2.py", line 1201, in do_open
r = h.getresponse(buffering=True)
File "/usr/lib/python2.7/httplib.py", line 1136, in getresponse
response.begin()
File "/usr/lib/python2.7/httplib.py", line 453, in begin
version, status, reason = self._read_status()
File "/usr/lib/python2.7/httplib.py", line 409, in _read_status
line = self.fp.readline(_MAXLINE + 1)
File "/usr/lib/python2.7/socket.py", line 480, in readline
data = self._sock.recv(self._rbufsize)
socket.error: [Errno 104] Connection reset by peer

Am seeing same issue booked previously at #389

Wonder if we can obtain pyzor from more stable location