Align multiple lines in tox

This commit aligns multiple lines in tox for visual consistency.
I fixed them to 4 white spaces because the tox example[1] shows 4 white
spaces indentation.

[1] http://tox.readthedocs.org/en/latest/example/basic.html

Change-Id: I4f3b9c5c4982a0e96bb120ce8546dd48b0fa8a4b
diff --git a/tox.ini b/tox.ini
index 28dfe8b..e9b9741 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,23 +5,27 @@
 
 [tempestenv]
 sitepackages = False
-setenv = VIRTUAL_ENV={envdir}
-         OS_TEST_PATH=./tempest/test_discover
-deps = setuptools
-       -r{toxinidir}/requirements.txt
+setenv =
+    VIRTUAL_ENV={envdir}
+    OS_TEST_PATH=./tempest/test_discover
+deps =
+    setuptools
+    -r{toxinidir}/requirements.txt
 
 [testenv]
-setenv = VIRTUAL_ENV={envdir}
-         OS_TEST_PATH=./tempest/tests
+setenv =
+    VIRTUAL_ENV={envdir}
+    OS_TEST_PATH=./tempest/tests
 passenv = OS_STDOUT_CAPTURE OS_STDERR_CAPTURE OS_TEST_TIMEOUT OS_TEST_LOCK_PATH OS_TEST_PATH TEMPEST_CONFIG TEMPEST_CONFIG_DIR http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
 usedevelop = True
 install_command = pip install -U {opts} {packages}
 whitelist_externals = *
-deps = -r{toxinidir}/requirements.txt
-       -r{toxinidir}/test-requirements.txt
+deps =
+    -r{toxinidir}/requirements.txt
+    -r{toxinidir}/test-requirements.txt
 commands =
-         find . -type f -name "*.pyc" -delete
-         bash tools/pretty_tox.sh '{posargs}'
+    find . -type f -name "*.pyc" -delete
+    bash tools/pretty_tox.sh '{posargs}'
 
 [testenv:genconfig]
 commands = oslo-config-generator --config-file etc/config-generator.tempest.conf
@@ -33,22 +37,24 @@
 [testenv:all]
 sitepackages = {[tempestenv]sitepackages}
 # 'all' includes slow tests
-setenv = {[tempestenv]setenv}
-         OS_TEST_TIMEOUT={env:OS_TEST_TIMEOUT:1200}
+setenv =
+    {[tempestenv]setenv}
+    OS_TEST_TIMEOUT={env:OS_TEST_TIMEOUT:1200}
 deps = {[tempestenv]deps}
 commands =
-  find . -type f -name "*.pyc" -delete
-  bash tools/pretty_tox.sh '{posargs}'
+    find . -type f -name "*.pyc" -delete
+    bash tools/pretty_tox.sh '{posargs}'
 
 [testenv:all-plugin]
 sitepackages = True
 # 'all' includes slow tests
-setenv = {[tempestenv]setenv}
-         OS_TEST_TIMEOUT={env:OS_TEST_TIMEOUT:1200}
+setenv =
+    {[tempestenv]setenv}
+    OS_TEST_TIMEOUT={env:OS_TEST_TIMEOUT:1200}
 deps = {[tempestenv]deps}
 commands =
-  find . -type f -name "*.pyc" -delete
-  bash tools/pretty_tox.sh '{posargs}'
+    find . -type f -name "*.pyc" -delete
+    bash tools/pretty_tox.sh '{posargs}'
 
 [testenv:full]
 sitepackages = {[tempestenv]sitepackages}
@@ -57,8 +63,8 @@
 # The regex below is used to select which tests to run and exclude the slow tag:
 # See the testrepository bug: https://bugs.launchpad.net/testrepository/+bug/1208610
 commands =
-  find . -type f -name "*.pyc" -delete
-  bash tools/pretty_tox.sh '(?!.*\[.*\bslow\b.*\])(^tempest\.(api|scenario|thirdparty)) {posargs}'
+    find . -type f -name "*.pyc" -delete
+    bash tools/pretty_tox.sh '(?!.*\[.*\bslow\b.*\])(^tempest\.(api|scenario|thirdparty)) {posargs}'
 
 [testenv:full-serial]
 sitepackages = {[tempestenv]sitepackages}
@@ -67,16 +73,16 @@
 # The regex below is used to select which tests to run and exclude the slow tag:
 # See the testrepository bug: https://bugs.launchpad.net/testrepository/+bug/1208610
 commands =
-  find . -type f -name "*.pyc" -delete
-  bash tools/pretty_tox_serial.sh '(?!.*\[.*\bslow\b.*\])(^tempest\.(api|scenario|thirdparty)) {posargs}'
+    find . -type f -name "*.pyc" -delete
+    bash tools/pretty_tox_serial.sh '(?!.*\[.*\bslow\b.*\])(^tempest\.(api|scenario|thirdparty)) {posargs}'
 
 [testenv:smoke]
 sitepackages = {[tempestenv]sitepackages}
 setenv = {[tempestenv]setenv}
 deps = {[tempestenv]deps}
 commands =
-  find . -type f -name "*.pyc" -delete
-   bash tools/pretty_tox.sh '\[.*\bsmoke\b.*\] {posargs}'
+    find . -type f -name "*.pyc" -delete
+    bash tools/pretty_tox.sh '\[.*\bsmoke\b.*\] {posargs}'
 
 [testenv:smoke-serial]
 sitepackages = {[tempestenv]sitepackages}
@@ -86,8 +92,8 @@
 # https://bugs.launchpad.net/tempest/+bug/1216076 so the neutron smoke
 # job would fail if we moved it to parallel.
 commands =
-  find . -type f -name "*.pyc" -delete
-   bash tools/pretty_tox_serial.sh '\[.*\bsmoke\b.*\] {posargs}'
+    find . -type f -name "*.pyc" -delete
+    bash tools/pretty_tox_serial.sh '\[.*\bsmoke\b.*\] {posargs}'
 
 [testenv:stress]
 sitepackages = {[tempestenv]sitepackages}
@@ -101,16 +107,16 @@
 
 [testenv:docs]
 commands =
-   python setup.py build_sphinx {posargs}
+    python setup.py build_sphinx {posargs}
 
 [testenv:pep8]
 commands =
-   flake8 {posargs}
-   check-uuid
+    flake8 {posargs}
+    check-uuid
 
 [testenv:uuidgen]
 commands =
-   check-uuid --fix
+    check-uuid --fix
 
 [hacking]
 local-check-factory = tempest.hacking.checks.factory