urlopen error [Errno -2] Name or service not known

/usr/lib/python2.7/urllib2.pyc in https_open(self, req)
1220
1221 def https_open(self, req):
-> 1222 return self.do_open(httplib.HTTPSConnection, req)
1223
1224 https_request = AbstractHTTPHandler.do_request_

/usr/lib/python2.7/urllib2.pyc in do_open(self, http_class, req)
1182 except socket.error, err: # XXX what error?
1183 h.close()
-> 1184 raise URLError(err)
1185 else:
1186 try:

URLError: <urlopen error [Errno -2] Name or service not known>

[beyondszine]

I have similar urllib error:
Traceback (most recent call last): File "main.py", line 11, in <module> import commands File "/home/beyond/github/NatI/commands.py", line 18, in <module> songClient.init() File "/home/beyond/.local/lib/python2.7/site-packages/grooveshark/__init__.py", line 186, in init self.connection.init() File "/home/beyond/.local/lib/python2.7/site-packages/grooveshark/__init__.py", line 115, in init return self.init_token(), self.init_queue() File "/home/beyond/.local/lib/python2.7/site-packages/grooveshark/__init__.py", line 121, in init_token self._get_token() File "/home/beyond/.local/lib/python2.7/site-packages/grooveshark/__init__.py", line 99, in _get_token 'client' : 'htmlshark'})[1] File "/home/beyond/.local/lib/python2.7/site-packages/grooveshark/__init__.py", line 136, in request with contextlib.closing(self.urlopen(request)) as response: 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 1241, in https_open context=self._context) File "/usr/lib/python2.7/urllib2.py", line 1198, in do_open raise URLError(err) urllib2.URLError: <urlopen error [Errno -3] Temporary failure in name