runtime error

.py", line 955, in getaddrinfo for res in _socket.getaddrinfo(host, port, family, type, proto, flags): socket.gaierror: [Errno -3] Temporary failure in name resolution During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/user/.local/lib/python3.10/site-packages/keras/src/utils/data_utils.py", line 347, in get_file urlretrieve(origin, fpath, DLProgbar()) File "/home/user/.local/lib/python3.10/site-packages/keras/src/utils/data_utils.py", line 85, in urlretrieve response = urlopen(url, data) File "/usr/local/lib/python3.10/urllib/request.py", line 216, in urlopen return opener.open(url, data, timeout) File "/usr/local/lib/python3.10/urllib/request.py", line 519, in open response = self._open(req, data) File "/usr/local/lib/python3.10/urllib/request.py", line 536, in _open result = self._call_chain(self.handle_open, protocol, protocol + File "/usr/local/lib/python3.10/urllib/request.py", line 496, in _call_chain result = func(*args) File "/usr/local/lib/python3.10/urllib/request.py", line 1391, in https_open return self.do_open(http.client.HTTPSConnection, req, File "/usr/local/lib/python3.10/urllib/request.py", line 1351, in do_open raise URLError(err) urllib.error.URLError: <urlopen error [Errno -3] Temporary failure in name resolution> During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/user/app/app.py", line 17, in <module> (X_train, y_train), (X_test,y_test)=objt.load_data() File "/home/user/.local/lib/python3.10/site-packages/keras/src/datasets/mnist.py", line 75, in load_data path = get_file( File "/home/user/.local/lib/python3.10/site-packages/keras/src/utils/data_utils.py", line 351, in get_file raise Exception(error_msg.format(origin, e.errno, e.reason)) Exception: URL fetch failure on https://storage.googleapis.com/tensorflow/tf-keras-datasets/mnist.npz: None -- [Errno -3] Temporary failure in name resolution

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