IOError: [Errno socket error] [Errno -3] Temporary failure in name resolution

santosh@santosh-desktop:~/First$ python $HOME/First/New3.py Traceback (most recent call last): File "/home/santosh/First/New3.py", line 188, in tf.app.run(main=main, argv=[sys.argv[0]] + unparsed)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/platform/app.py", line 44, in run _sys.exit(main(_sys.argv[:1] + flags_passthrough))
File "/home/santosh/First/New3.py", line 169, in main train() File "/home/santosh/First/New3.py", line 26, in train fake_data=FLAGS.fake_data)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/contrib/learn/python/learn/datasets/mnist.py", line 227, in read_data_sets SOURCE_URL + TRAIN_IMAGES)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/contrib/learn/python/learn/datasets/base.py", line 208, in maybe_download temp_file_name, _ = urlretrieve_with_retry(source_url)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/contrib/learn/python/learn/datasets/base.py", line 165, in wrapped_fn return fn(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/tensorflow/contrib/learn/python/learn/datasets/base.py", line 190, in urlretrieve_with_retry return urllib.request.urlretrieve(url, filename)
File "/usr/lib/python2.7/urllib.py", line 98, in urlretrieve return opener.retrieve(url, filename, reporthook, data) File "/usr/lib/python2.7/urllib.py", line 245, in retrieve fp = self.open(url, data) File "/usr/lib/python2.7/urllib.py", line 213, in open return getattr(self, name)(url)
File "/usr/lib/python2.7/urllib.py", line 350, in open_http h.endheaders(data)
File "/usr/lib/python2.7/httplib.py", line 1053, in endheaders self._send_output(message_body)
File "/usr/lib/python2.7/httplib.py", line 897, in _send_output self.send(msg)
File "/usr/lib/python2.7/httplib.py", line 859, in send self.connect()
File "/usr/lib/python2.7/httplib.py", line 836, in connect self.timeout, self.source_address)
File "/usr/lib/python2.7/socket.py", line 557, in create_connection for res in getaddrinfo(host, port, 0, SOCK_STREAM):
IOError: [Errno socket error] [Errno -3] Temporary failure in name resolution

Please help me sort out this prob.