fix pip3 install

tasks/docker.yml

@@ -112,16 +112,17 @@
     groups:
       - docker
   when: ansible_user_id != 'root'
-- name: docker-compose requests workaround
-  become: true
-  pip:
-    name: requests
-    extra_args: --ignore-installed
-  when: ansible_python.version.major == 2
 - name: docker-compose
   become: true
   pip:
     name: docker-compose
+  when: ansible_python.version.major == 3
+- name: docker-compose pip2
+  become: true
+  pip:
+    name: requests
+    executable: pip3
+  when: ansible_python.version.major == 2
 - name: docker 配置 创建目录
   become: true
   file: