Hello, Yipei, You can use entry point inspector to check whether there is some error in the plugin registration and loading: sudo pip install entry_point_inspector epi group list epi group show <your plugin group> epi ep show <your entry point> https://pypi.python.org/pypi/entry_point_inspector If there is some error when loading the plugin, you may find error information the show command. Best Regards Chaoyi Huang ( joehuang ) ________________________________ From: Yipei Niu [newypei at gmail.com] Sent: 27 June 2016 21:44 To: OpenStack Development Mailing List (not for usage questions) Cc: joehuang; Zhiyuan Cai; skinjo at redhat.com; 金城 忍 Subject: [tricircle] About registering and loading a plugin Dear all, Recently, I learn to name a plugin based on the doc http://docs.openstack.org/developer/stevedore/tutorial/naming.html#. I define a new entry_point for the plugin, then it fails. The console prompts "stevedore.exception.NoMatches: No 'net.nyp.formatter' driver found, looking for 'simple'". After setting a new entry_point with setuptools, why stevedore cannot find the driver based on the entry_point? Best regards, Yipei -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20160628/7316681e/attachment.html>