Standardize import format

According to the rule in
http://docs.openstack.org/developer/hacking/#imports
I modify some irregular import format.

Change-Id: Ibf29ccaf3ddec4a956334cc3368ebee7a66e282c

1 files changed, 34 insertions, 0 deletions

diff --git a/doc/source/developing.rst b/doc/source/developing.rst
index 95a04073..c5092cc0 100644
--- a/doc/source/developing.rst
+++ b/doc/source/developing.rst
@@ -173,3 +173,37 @@ or
 .. code-block:: bash
 
    $ pip install -e .
+
+Standardize Import Format
+=========================
+
+.. _`Import Order Guide`: http://docs.openstack.org/developer/hacking/#imports
+
+The import order shows below:
+
+* {{stdlib imports in human alphabetical order}}
+* \n
+* {{third-party lib imports in human alphabetical order}}
+* \n
+* {{project imports in human alphabetical order}}
+* \n
+* \n
+* {{begin your code}}
+
+Example
+~~~~~~~
+
+.. code-block:: python
+
+    import copy
+    import fixtures
+    import mock
+    import os
+
+    from osc_lib.api import auth
+    from osc_lib import utils
+    import six
+
+    from openstackclient import shell
+    from openstackclient.tests import utils
+