Hello, I am on W2A2 and am getting the following error from a non-graded cell. There seems to be an issue with the link on the backend. Where should I report the error to complete the assignment.
Downloading data from https://storage.googleapis.com/tensorflow/keras-applications/mobilenet_v2/mobilenet_v2_weights_tf_dim_ordering_tf_kernels_1.0_160.h5
OSError Traceback (most recent call last)
/opt/conda/lib/python3.7/urllib/request.py in do_open(self, http_class, req, **http_conn_args)
1318 h.request(req.get_method(), req.selector, req.data, headers,
→ 1319 encode_chunked=req.has_header(‘Transfer-encoding’))
1320 except OSError as err: # timeout error
/opt/conda/lib/python3.7/http/client.py in request(self, method, url, body, headers, encode_chunked)
1251 “”“Send a complete request to the server.”“”
→ 1252 self._send_request(method, url, body, headers, encode_chunked)
1253
/opt/conda/lib/python3.7/http/client.py in _send_request(self, method, url, body, headers, encode_chunked)
1297 body = _encode(body, ‘body’)
→ 1298 self.endheaders(body, encode_chunked=encode_chunked)
1299
/opt/conda/lib/python3.7/http/client.py in endheaders(self, message_body, encode_chunked)
1246 raise CannotSendHeader()
→ 1247 self._send_output(message_body, encode_chunked=encode_chunked)
1248
/opt/conda/lib/python3.7/http/client.py in _send_output(self, message_body, encode_chunked)
1025 del self._buffer[:]
→ 1026 self.send(msg)
1027
/opt/conda/lib/python3.7/http/client.py in send(self, data)
965 if self.auto_open:
→ 966 self.connect()
967 else:
/opt/conda/lib/python3.7/http/client.py in connect(self)
1413
→ 1414 super().connect()
1415
/opt/conda/lib/python3.7/http/client.py in connect(self)
937 self.sock = self._create_connection(
→ 938 (self.host,self.port), self.timeout, self.source_address)
939 self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
/opt/conda/lib/python3.7/socket.py in create_connection(address, timeout, source_address)
727 try:
→ 728 raise err
729 finally:
/opt/conda/lib/python3.7/socket.py in create_connection(address, timeout, source_address)
715 sock.bind(source_address)
→ 716 sock.connect(sa)
717 # Break explicitly a reference cycle
OSError: [Errno 99] Cannot assign requested address
During handling of the above exception, another exception occurred:
URLError Traceback (most recent call last)
/opt/conda/lib/python3.7/site-packages/tensorflow/python/keras/utils/data_utils.py in get_file(fname, origin, untar, md5_hash, file_hash, cache_subdir, hash_algorithm, extract, archive_format, cache_dir)
277 try:
→ 278 urlretrieve(origin, fpath, dl_progress)
279 except HTTPError as e:
/opt/conda/lib/python3.7/urllib/request.py in urlretrieve(url, filename, reporthook, data)
246
→ 247 with contextlib.closing(urlopen(url, data)) as fp:
248 headers = fp.info()
/opt/conda/lib/python3.7/urllib/request.py in urlopen(url, data, timeout, cafile, capath, cadefault, context)
221 opener = _opener
→ 222 return opener.open(url, data, timeout)
223
/opt/conda/lib/python3.7/urllib/request.py in open(self, fullurl, data, timeout)
524
→ 525 response = self._open(req, data)
526
/opt/conda/lib/python3.7/urllib/request.py in _open(self, req, data)
542 result = self._call_chain(self.handle_open, protocol, protocol +
→ 543 ‘_open’, req)
544 if result:
/opt/conda/lib/python3.7/urllib/request.py in _call_chain(self, chain, kind, meth_name, *args)
502 func = getattr(handler, meth_name)
→ 503 result = func(*args)
504 if result is not None:
/opt/conda/lib/python3.7/urllib/request.py in https_open(self, req)
1361 return self.do_open(http.client.HTTPSConnection, req,
→ 1362 context=self._context, check_hostname=self.check_hostname)
1363
/opt/conda/lib/python3.7/urllib/request.py in do_open(self, http_class, req, **http_conn_args)
1320 except OSError as err: # timeout error
→ 1321 raise URLError(err)
1322 r = h.getresponse()
URLError: <urlopen error [Errno 99] Cannot assign requested address>
During handling of the above exception, another exception occurred:
Exception Traceback (most recent call last)
in
2 base_model = tf.keras.applications.MobileNetV2(input_shape=IMG_SHAPE,
3 include_top=True,
----> 4 weights=‘imagenet’)
/opt/conda/lib/python3.7/site-packages/tensorflow/python/keras/applications/mobilenet_v2.py in MobileNetV2(input_shape, alpha, include_top, weights, input_tensor, pooling, classes, classifier_activation, **kwargs)
401 weight_path = BASE_WEIGHT_PATH + model_name
402 weights_path = data_utils.get_file(
→ 403 model_name, weight_path, cache_subdir=‘models’)
404 else:
405 model_name = ('mobilenet_v2_weights_tf_dim_ordering_tf_kernels’ +
/opt/conda/lib/python3.7/site-packages/tensorflow/python/keras/utils/data_utils.py in get_file(fname, origin, untar, md5_hash, file_hash, cache_subdir, hash_algorithm, extract, archive_format, cache_dir)
280 raise Exception(error_msg.format(origin, e.code, e.msg))
281 except URLError as e:
→ 282 raise Exception(error_msg.format(origin, e.errno, e.reason))
283 except (Exception, KeyboardInterrupt) as e:
284 if os.path.exists(fpath):
Exception: URL fetch failure on https://storage.googleapis.com/tensorflow/keras-applications/mobilenet_v2/mobilenet_v2_weights_tf_dim_ordering_tf_kernels_1.0_160.h5: None – [Errno 99] Cannot assign requested address
From https://oltibeopdops.labs.coursera.org/notebooks/W2A2/Transfer_learning_with_MobileNet_v1.ipynb
