copr-backend: install OpenStack clients as python2-*

roles/copr/backend/tasks/main.yml

@@ -18,10 +18,9 @@
 - name: add additional packages for copr-backend
   dnf: state=present name={{ item }}
   with_items:
-  - python-novaclient
-  - python-glanceclient
-  - python-neutronclient
-  - python-keystoneclient
+  - python2-glanceclient
+  - python2-neutronclient
+  - python2-keystoneclient
   - php-cli
 
 - name: install python2-novaclient version that actually works with the current OpenStack deployment