Updated role to Ansible 2.6

Author: Wtower

meta/main.yml

@@ -4,7 +4,7 @@ galaxy_info:
   description: Deploy Django on Plesk
   company: 9dev
   license: BSD
-  min_ansible_version: 2.1
+  min_ansible_version: 2.6
   platforms:
   - name: Ubuntu
     versions:
@@ -23,6 +23,10 @@ galaxy_info:
       - xenial
       - yakkety
       - zesty
+      - artful
+      - bionic
+      - cosmic
+      - cuttlefish
   galaxy_tags:
     - system
     - development

tasks/main.yml

@@ -52,13 +52,9 @@
 
 - name: Upgrade pip
   pip:
-    name: "{{ item }}"
+    name: ['pip', 'setuptools', 'wheel']
     state: latest
     virtualenv: "{{ virtualenv_dir }}/{{ project }}"
-  with_items:
-    - pip
-    - setuptools
-    - wheel
 
 - name: Install pip requirements
   pip: