commit 1bc5b05aea1341792e7173967ae22a75843d367c
Author: zhoulinhui <df.some@foxmail.com>
Date:   Sat Oct 3 00:47:06 2020 +0800

    Update git submodules
    
    * Update os-api-ref from branch 'master'
      - Stop install unnecessary packages when run tox -edocs
    
        requirements.txt is unnecessary when run tox -e docs,
        docs relative stuffs is in doc/requirements.txt, this ps to
        remove the requirements.txt from tox.ini
    
        Change-Id: I69b5a12128669de877a27fbbd09ffde8d8149508

diff --git a/os-api-ref b/os-api-ref
index 093c9f2..ae88bef 160000
--- a/os-api-ref
+++ b/os-api-ref
@@ -1 +1 @@
-Subproject commit 093c9f2f90e090f40344d80a20c81dd3573a2436
+Subproject commit ae88bef00a595e880bd972f92648bde8a497cb98