[FIX] ansible needs docker-compose python package

tasks/docker-Debian.yml

@@ -53,7 +53,9 @@
     cache_valid_time: 3600
 
 
-# Install latest release of docker-compose (does not work for armhf/ arm64)
+# Install latest release of docker-compose (using pip3)
+# docker only provides pre-compiled binaries for x86_64, but not for armhf/ arm64!
+# but ansible needs the python package anyway
 - name: docker-compose - Discover if raspbian is used
   set_fact:
     dockercompose_use_pip: true
@@ -81,7 +83,7 @@
         path: /usr/local/bin/docker-compose
         mode: 0755
   when: dockercompose_use_pip == false
-- name: docker-compose - Install using pip3
+- name: docker-compose - Install python package
   block:
     - name: docker-compose - Install requirements
       become: yes
@@ -93,4 +95,3 @@
       pip:
         name: docker-compose
         executable: pip3
-  when: dockercompose_use_pip == true