runtime error

ost, 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/python3.8/site-packages/keras/src/utils/data_utils.py", line 347, in get_file urlretrieve(origin, fpath, DLProgbar()) File "/home/user/.local/lib/python3.8/site-packages/keras/src/utils/data_utils.py", line 85, in urlretrieve response = urlopen(url, data) File "/usr/local/lib/python3.8/urllib/request.py", line 222, in urlopen return opener.open(url, data, timeout) File "/usr/local/lib/python3.8/urllib/request.py", line 525, in open response = self._open(req, data) File "/usr/local/lib/python3.8/urllib/request.py", line 542, in _open result = self._call_chain(self.handle_open, protocol, protocol + File "/usr/local/lib/python3.8/urllib/request.py", line 502, in _call_chain result = func(*args) File "/usr/local/lib/python3.8/urllib/request.py", line 1397, in https_open return self.do_open(http.client.HTTPSConnection, req, File "/usr/local/lib/python3.8/urllib/request.py", line 1357, 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 "app.py", line 14, in <module> mobile_net = tf.keras.applications.MobileNetV2() File "/home/user/.local/lib/python3.8/site-packages/keras/src/applications/mobilenet_v2.py", line 465, in MobileNetV2 weights_path = data_utils.get_file( File "/home/user/.local/lib/python3.8/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/keras-applications/mobilenet_v2/mobilenet_v2_weights_tf_dim_ordering_tf_kernels_1.0_224.h5: None -- [Errno -3] Temporary failure in name resolution

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