esvn 0.8 trac error

[anonymous]

​http://esvn.umputun.com/trac.cgi gives the following error:

Trac detected an internal error: 
(-2, 'Name or service not known')

Traceback (most recent call last):
  File "/usr/lib/python2.2/site-packages/trac/core.py", line 525, in cgi_start
    real_cgi_start()
  File "/usr/lib/python2.2/site-packages/trac/core.py", line 520, in real_cgi_start
    dispatch_request(path_info, args, req, env)
  File "/usr/lib/python2.2/site-packages/trac/core.py", line 435, in dispatch_request
    module.run()
  File "/usr/lib/python2.2/site-packages/trac/Module.py", line 44, in run
    self.render()
  File "/usr/lib/python2.2/site-packages/trac/Ticket.py", line 298, in render
    self.create_ticket()
  File "/usr/lib/python2.2/site-packages/trac/Ticket.py", line 290, in create_ticket
    tn.notify(ticket, newticket=1)
  File "/usr/lib/python2.2/site-packages/trac/Notify.py", line 227, in notify
    NotifyEmail.notify(self, ticket['id'], subject)
  File "/usr/lib/python2.2/site-packages/trac/Notify.py", line 131, in notify
    Notify.notify(self, resid)
  File "/usr/lib/python2.2/site-packages/trac/Notify.py", line 79, in notify
    self.begin_send()
  File "/usr/lib/python2.2/site-packages/trac/Notify.py", line 139, in begin_send
    self.server = smtplib.SMTP(self.smtp_server)
  File "/usr/lib/python2.2/smtplib.py", line 241, in __init__
    (code, msg) = self.connect(host, port)
  File "/usr/lib/python2.2/smtplib.py", line 276, in connect
    for res in socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM):
gaierror: (-2, 'Name or service not known')

[Christopher Lenz]

Duplicate of #980.