adding python3-distutils before pip for bionic as it is required and not shipped with bionic

Author: sp-lyang

tasks/install_pip.yml

@@ -1,4 +1,8 @@
 ---
+- name: Install python3-distutils
+  package:
+    name: python3-distutils
+  when: ansible_distribution_release == 'bionic'
 
 - name: Download get-pip.py
   get_url: url=https://bootstrap.pypa.io/get-pip.py dest=/tmp/