did you search on google first ? this is usually an issue with mod_wsgi and maplotlib. In this group you can find several replies already, including https://groups.google.com/forum/#!topic/modwsgi/97bnQk9ojtY
On Sunday, December 9, 2012 6:23:28 PM UTC+1, Ralph wrote: > > I'm trying to setup a server with apache 2.2, wsgi_mod and web2py. So far > it works until I choose in the app wizard the matplotlib pluging. I'm > getting a > > <type 'exceptions.ImportError'> No module named > matplotlib.backends.backend_agg > > I tried then to run the plugin file direct with the python interpreter > which is working well. It seems that matplotlib is installed incl. all > depencies. So has someone an idea? > > > --