<div>Hi!</div><div>I'm a newbie  to Openstack.</div><div>I deploy Openstack use devstack on CENTOS 7(http://docs.openstack.org/developer/devstack/),when I run ./stack.sh, some error occur:</div><div>2015-11-30 07:46:57.699 | Collecting pycadf===1.1.0 (from -c /opt/stack/requirements/upper-constraints.txt (line 236))</div><div>2015-11-30 07:47:10.403 |   Downloading pycadf-1.1.0-py2-none-any.whl</div><div>2015-11-30 07:47:19.449 | Collecting python-keystoneclient===1.8.1 (from -c /opt/stack/requirements/upper-constraints.txt (line 264))</div><div>2015-11-30 07:47:30.418 |   Downloading python_keystoneclient-1.8.1-py2.py3-none-any.whl (430kB)</div><div>2015-11-30 07:51:16.217 |   Hash of the package https://pypi.python.org/packages/py2.py3/p/python-keystoneclient/python_keystoneclient-1.8.1-py2.py3-none-any.whl#md5=6e15a0bcbb7152278c302495bc5889af (from https://pypi.python.org/simple/python-keystoneclient/) (b5b81960bf2ba1fb1a845ca2e1c737c6) doesn't match the expected hash 6e15a0bcbb7152278c302495bc5889af!</div><div>2015-11-30 07:51:16.236 | Bad md5 hash for package https://pypi.python.org/packages/py2.py3/p/python-keystoneclient/python_keystoneclient-1.8.1-py2.py3-none-any.whl#md5=6e15a0bcbb7152278c302495bc5889af (from https://pypi.python.org/simple/python-keystoneclient/)</div><div>2015-11-30 07:51:16.282 | + exit_trap</div><div>2015-11-30 07:51:16.282 | + local r=1</div><div>2015-11-30 07:51:16.283 | ++ jobs -p</div><div>2015-11-30 07:51:16.283 | + jobs=</div><div>2015-11-30 07:51:16.283 | + [[ -n '' ]]</div><div>2015-11-30 07:51:16.283 | + kill_spinner</div><div>2015-11-30 07:51:16.283 | + '[' '!' -z '' ']'</div><div>2015-11-30 07:51:16.283 | + [[ 1 -ne 0 ]]</div><div>2015-11-30 07:51:16.283 | + echo 'Error on exit'</div><div>2015-11-30 07:51:16.284 | Error on exit</div><div>2015-11-30 07:51:16.284 | + [[ -z /opt/stack/logs ]]</div><div>2015-11-30 07:51:16.284 | + /tmp/devstack/tools/worlddump.py -d /opt/stack/logs</div><div>2015-11-30 07:51:16.649 | + exit 1</div><div><br></div><div>How to fix the problem?</div><div>Thanks.</div><div><br></div>