tox: Fix indentation

Makes life easier for future, actually important changes.

TrivialFix

Change-Id: Idda28f153d5054efc885ef2bde0989841df29cd3

tox.ini

@@ -5,13 +5,14 @@ skipsdist = True
 
 [testenv]
 usedevelop = True
-# tox is silly... these need to be separated by a newline....
-whitelist_externals = bash
+whitelist_externals =
+  bash
   find
   rm
   env
 install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
-setenv = VIRTUAL_ENV={envdir}
+setenv =
+  VIRTUAL_ENV={envdir}
   LANGUAGE=en_US
   LC_ALL=en_US.utf-8
   OS_STDOUT_CAPTURE=1
@@ -40,7 +41,7 @@ commands =
 [testenv:py36]
 commands =
   {[testenv]commands}
-    stestr run --blacklist-file=tests-py3.txt '{posargs}'
+  stestr run --blacklist-file=tests-py3.txt {posargs}
   env TEST_OSPROFILER=1 stestr run --combine --no-discover 'nova.tests.unit.test_profiler'
 
 [testenv:pep8]
@@ -101,7 +102,8 @@ commands =
 
 [testenv:api-samples]
 usedevelop = True
-setenv = {[testenv]setenv}
+setenv =
+  {[testenv]setenv}
   GENERATE_SAMPLES=True
   PYTHONHASHSEED=0
 commands =