<div class="__aliyun_email_body_block"><div style="clear: both;"><span style="font-family: Tahoma, Arial, STHeiti, SimSun; font-size: 14px; color: rgb(0, 0, 0);">Hi everyone</span></div><div style="clear: both;"><span style="font-family: Tahoma, Arial, STHeiti, SimSun; font-size: 14px; color: rgb(0, 0, 0);"><br ></span></div><div style="clear: both;"><span style="font-family: Tahoma, Arial, STHeiti, SimSun; font-size: 14px; color: rgb(0, 0, 0);">Install devstack by http://docs.openstack.org/developer/devstack/ </span></div><div style="clear: both;">Install tox by docs.openstack.org/project-team-guide/project-setup/python.html </div><div style="clear: both;">command 'tox', the error log:</div><div style="clear: both;"><br ></div><div style="clear: both;">pip-missing-reqs runtests: PYTHONHASHSEED='952003835'<br >pip-missing-reqs runtests: commands[0] | pip-missing-reqs -d --ignore-file=nova/tests/* --ignore-file=nova/test.py nova<br >Traceback (most recent call last):<br >  File ".tox/pip-missing-reqs/bin/pip-missing-reqs", line 7, in <module><br >    from pip_missing_reqs.find_missing_reqs import main<br >  File "/opt/stack/nova/.tox/pip-missing-reqs/local/lib/python2.7/site-packages/pip_missing_reqs/find_missing_reqs.py", line 14, in <module><br >    from pip.utils import get_installed_distributions, normalize_name<br >ImportError: cannot import name normalize_name<br >ERROR: InvocationError: '/opt/stack/nova/.tox/pip-missing-reqs/bin/pip-missing-reqs -d --ignore-file=nova/tests/* --ignore-file=nova/test.py nova<br >'____________________________________________________________________ summary ____________________________________________________________________<br >ERROR:   py34: could not install deps [-r/opt/stack/nova/test-requirements.txt]; v = InvocationError('/opt/stack/nova/.tox/py34/bin/pip install -<br >chttps://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt -r/opt/stack/nova/test-requirements.txt (see /opt/stack/nova/.tox/py34/log/py34-1.log)', 1)ERROR:   py27: commands failed<br >  functional: commands succeeded<br >  pep8: commands succeeded<br >ERROR:   pip-missing-reqs: commands failed<br ></div><div style="clear: both;"><br ></div><div style="clear: both;">Is there any suggestion?</div><div style="clear: both;"><br ></div><div style="clear: both;">Best <span style="color: rgb(0, 0, 0); font-family: Tahoma, Arial; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; line-height: 23.324px; text-align: start; text-indent: 0px; text-transform: none; widows: 1; float: none; display: inline !important; background-color: rgb(255, 255, 255);">Regards</span></div><div style="clear: both;">zhaolihui</div></div>