Proposed fix for issue #448

Might need full path ie {{ osm_path }} in place of {{ osm_venv }}
With the push by the distros to python3 we took the step to use virtual
environments to better contain python 2.7 based programs.

roles/osm/tasks/main.yml

@@ -71,6 +71,12 @@
      osm_path: "{{ osm_venv }}/lib/python2.7/site-packages/iiab"
   when: osm_enabled and is_debuntu
 
+- name: All - Point wsgi to virtual environment
+  lineinfile: dest={{ osm_venv }}/bin/iiab.wsgi
+              regexp='path_to_virtualenv*'
+              line='path_to_virtualenv = /usr/local/osm'
+              state=present
+
 - name: All - Copy IIAB config file
   template: backup=no
             src=osm.conf.j2