premerge test error: 'ContentTooShortError' is not defined

[wyli]

Describe the bug

======================================================================
ERROR: test_shape_26 (tests.test_efficientnet.TestEFFICIENTNET)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jenkins/agent/workspace/MONAI-premerge/monai/tests/test_efficientnet.py", line 255, in test_shape
    net = EfficientNetBN(**input_param).to(device)
  File "/home/jenkins/agent/workspace/MONAI-premerge/monai/monai/networks/nets/efficientnet.py", line 556, in __init__
    _load_state_dict(self, model_name, progress, adv_prop)
  File "/home/jenkins/agent/workspace/MONAI-premerge/monai/monai/networks/nets/efficientnet.py", line 719, in _load_state_dict
    pretrain_state_dict = model_zoo.load_url(model_url, progress=progress)
  File "/usr/local/lib/python3.8/dist-packages/torch/hub.py", line 586, in load_state_dict_from_url
    download_url_to_file(url, cached_file, hash_prefix, progress=progress)
  File "/usr/local/lib/python3.8/dist-packages/torch/hub.py", line 452, in download_url_to_file
    u = urlopen(req)
  File "/usr/lib/python3.8/urllib/request.py", line 222, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib/python3.8/urllib/request.py", line 531, in open
    response = meth(req, response)
  File "/usr/lib/python3.8/urllib/request.py", line 640, in http_response
    response = self.parent.error(
  File "/usr/lib/python3.8/urllib/request.py", line 563, in error
    result = self._call_chain(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 502, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 755, in http_error_302
    return self.parent.open(new, timeout=req.timeout)
  File "/usr/lib/python3.8/urllib/request.py", line 531, in open
    response = meth(req, response)
  File "/usr/lib/python3.8/urllib/request.py", line 640, in http_response
    response = self.parent.error(
  File "/usr/lib/python3.8/urllib/request.py", line 569, in error
    return self._call_chain(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 502, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 649, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 503: Egress is over the account limit.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.8/dist-packages/parameterized/parameterized.py", line 533, in standalone_func
    return func(*(a + p.args), **p.kwargs)
  File "/home/jenkins/agent/workspace/MONAI-premerge/monai/tests/test_efficientnet.py", line 256, in test_shape
    except (ContentTooShortError, HTTPError, RuntimeError) as e:
NameError: name 'ContentTooShortError' is not defined

======================================================================
ERROR: test_shape_28 (tests.test_efficientnet.TestEFFICIENTNET)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jenkins/agent/workspace/MONAI-premerge/monai/tests/test_efficientnet.py", line 255, in test_shape
    net = EfficientNetBN(**input_param).to(device)
  File "/home/jenkins/agent/workspace/MONAI-premerge/monai/monai/networks/nets/efficientnet.py", line 556, in __init__
    _load_state_dict(self, model_name, progress, adv_prop)
  File "/home/jenkins/agent/workspace/MONAI-premerge/monai/monai/networks/nets/efficientnet.py", line 719, in _load_state_dict
    pretrain_state_dict = model_zoo.load_url(model_url, progress=progress)
  File "/usr/local/lib/python3.8/dist-packages/torch/hub.py", line 586, in load_state_dict_from_url
    download_url_to_file(url, cached_file, hash_prefix, progress=progress)
  File "/usr/local/lib/python3.8/dist-packages/torch/hub.py", line 452, in download_url_to_file
    u = urlopen(req)
  File "/usr/lib/python3.8/urllib/request.py", line 222, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib/python3.8/urllib/request.py", line 531, in open
    response = meth(req, response)
  File "/usr/lib/python3.8/urllib/request.py", line 640, in http_response
    response = self.parent.error(
  File "/usr/lib/python3.8/urllib/request.py", line 563, in error
    result = self._call_chain(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 502, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 755, in http_error_302
    return self.parent.open(new, timeout=req.timeout)
  File "/usr/lib/python3.8/urllib/request.py", line 531, in open
    response = meth(req, response)
  File "/usr/lib/python3.8/urllib/request.py", line 640, in http_response
    response = self.parent.error(
  File "/usr/lib/python3.8/urllib/request.py", line 569, in error
    return self._call_chain(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 502, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.8/urllib/request.py", line 649, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 503: Egress is over the account limit.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.8/dist-packages/parameterized/parameterized.py", line 533, in standalone_func
    return func(*(a + p.args), **p.kwargs)
  File "/home/jenkins/agent/workspace/MONAI-premerge/monai/tests/test_efficientnet.py", line 256, in test_shape
    except (ContentTooShortError, HTTPError, RuntimeError) as e:
NameError: name 'ContentTooShortError' is not defined