KeyError: 'ckanext'

[gamesbook]

After install geoview, I see this error in the /var/log/apache2/ckan_default.error.log file:

[Tue Feb 09 13:06:56.078155 2016] [:error] [pid 9319:tid 139956197000960] Error processing line 2 of /usr/lib/ckan/default/lib/python2.7/site-packages/ckanext_geoview-0.0.9-py2.7-nspkg.pth:
[Tue Feb 09 13:06:56.078219 2016] [:error] [pid 9319:tid 139956197000960] 
[Tue Feb 09 13:06:56.078475 2016] [:error] [pid 9319:tid 139956197000960]   Traceback (most recent call last):
[Tue Feb 09 13:06:56.078519 2016] [:error] [pid 9319:tid 139956197000960]     File "/usr/lib/python2.7/site.py", line 158, in addpackage
[Tue Feb 09 13:06:56.078533 2016] [:error] [pid 9319:tid 139956197000960]       exec line
[Tue Feb 09 13:06:56.078559 2016] [:error] [pid 9319:tid 139956197000960]     File "<string>", line 1, in <module>
[Tue Feb 09 13:06:56.078574 2016] [:error] [pid 9319:tid 139956197000960]   KeyError: 'ckanext'
[Tue Feb 09 13:06:56.078586 2016] [:error] [pid 9319:tid 139956197000960] 
[Tue Feb 09 13:06:56.078597 2016] [:error] [pid 9319:tid 139956197000960] Remainder of file ignored

Once this plugin is installed I am unable to install other plugins - the same error gets generated.

[jweyrich]

I was facing the same problem - see pduchesne#5.