Merge "Don't rely on pip and tox installed on zuul node"

zuul.d/playbooks/lint.yml

@@ -27,10 +27,16 @@
         path: "{{ ansible_user_dir }}/src/{{ zuul.project.canonical_name }}/yamllint.conf"
       register: yamllintconf
 
-    - name: Install jq
+    - name: Install jq and pip
       apt:
         pkg:
           - jq
+          - python3-pip
+      become: yes
+      when: yamllintconf.stat.exists == True
+
+    - name: Install tox
+      shell: pip3 install -U tox
       become: yes
       when: yamllintconf.stat.exists == True