defaults, tasks: Fix install from PyPI

tasks/isso.yml

@@ -27,7 +27,7 @@
 
 - name: Enable and start gunicorn isso service
   systemd:
-    name: gunicorn-isso
+    name: "gunicorn-{{isso_user}}.service"
     state: restarted
     enabled: true
     daemon_reload: true

tasks/python.yml

@@ -122,7 +122,7 @@
     - python
 
 ###########################################################
-# Isso package from PyPi, if isso_use_customized_pkg==false
+# Isso package from PyPi, if isso_use_pypi==true
 ###########################################################
 
 - name: Install isso from PyPi
@@ -141,7 +141,7 @@
     virtualenv_site_packages: true
   vars:
     packages:
-      - isso
+      - "isso=={{isso_version}}"
   tags:
     - install
     - python