timeout error

[ljzzju]

Hi all,
when I type command:
fab start_velox:start_local=y

coming with the following error messages.

What should I do to fix it!

Thanks

Traceback (most recent call last):
File "/usr/local/lib64/python2.6/site-packages/Fabric-1.9.2-py2.6.egg/fabric/main.py", line 743, in main
_args, *_kwargs
File "/usr/local/lib64/python2.6/site-packages/Fabric-1.9.2-py2.6.egg/fabric/tasks.py", line 419, in execute
results[''] = task.run(_args, *_new_kwargs)
File "/usr/local/lib64/python2.6/site-packages/Fabric-1.9.2-py2.6.egg/fabric/tasks.py", line 174, in run
return self.wrapped(_args, *_kwargs)
File "/home/ljz/gitrepo/velox-modelserver/bin/cluster/velox_deploy.py", line 458, in start_velox
upload_config_to_etcd()
File "/usr/local/lib64/python2.6/site-packages/Fabric-1.9.2-py2.6.egg/fabric/tasks.py", line 171, in call
return self.run(_args, *_kwargs)
File "/usr/local/lib64/python2.6/site-packages/Fabric-1.9.2-py2.6.egg/fabric/tasks.py", line 174, in run
return self.wrapped(_args, *_kwargs)
File "/home/ljz/gitrepo/velox-modelserver/bin/cluster/velox_deploy.py", line 531, in upload_config_to_etcd
add_settings(etcd_host, ETCD_BASE_PATH, config)
File "/home/ljz/gitrepo/velox-modelserver/bin/cluster/velox_deploy.py", line 515, in add_settings
add_settings(etcd_host, key + "/" + k, v)
File "/home/ljz/gitrepo/velox-modelserver/bin/cluster/velox_deploy.py", line 515, in add_settings
add_settings(etcd_host, key + "/" + k, v)
File "/home/ljz/gitrepo/velox-modelserver/bin/cluster/velox_deploy.py", line 520, in add_settings
add_kv_to_etcd(etcd_host, key, cfg)
File "/home/ljz/gitrepo/velox-modelserver/bin/cluster/velox_deploy.py", line 508, in add_kv_to_etcd
r = requests.put(etcd_host + key_path, data=payload)
File "/usr/local/lib64/python2.6/site-packages/requests-2.6.0-py2.6.egg/requests/api.py", line 121, in put
return request('put', url, data=data, *_kwargs)
File "/usr/local/lib64/python2.6/site-packages/requests-2.6.0-py2.6.egg/requests/api.py", line 50, in request
response = session.request(method=method, url=url, *_kwargs)
File "/usr/local/lib64/python2.6/site-packages/requests-2.6.0-py2.6.egg/requests/sessions.py", line 464, in request
resp = self.send(prep, *_send_kwargs)
File "/usr/local/lib64/python2.6/site-packages/requests-2.6.0-py2.6.egg/requests/sessions.py", line 576, in send
r = adapter.send(request, *_kwargs)
File "/usr/local/lib64/python2.6/site-packages/requests-2.6.0-py2.6.egg/requests/adapters.py", line 370, in send
timeout=timeout
File "build/bdist.linux-x86_64/egg/urllib3/connectionpool.py", line 516, in urlopen
File "build/bdist.linux-x86_64/egg/urllib3/connectionpool.py", line 299, in _make_request
File "build/bdist.linux-x86_64/egg/urllib3/connectionpool.py", line 279, in _get_timeout
File "build/bdist.linux-x86_64/egg/urllib3/util/timeout.py", line 152, in from_float
File "build/bdist.linux-x86_64/egg/urllib3/util/timeout.py", line 95, in init
File "build/bdist.linux-x86_64/egg/urllib3/util/timeout.py", line 125, in _validate_timeout
ValueError: Timeout value connect was Timeout(connect=None, read=None, total=None), but it must be an int or float.