diff --git a/tox.ini b/tox.ini
index 15b394b..c3cfbb2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,101 +1,101 @@
 [tox]
-envlist = 
+envlist =
     csslint
     eslint
     py{311,312}-django{42},quality
 
 [testenv]
-deps = 
+deps =
     -rrequirements/test.txt
     django42: Django>=4.2,<4.3
-    
-commands = 
+
+commands =
     coverage run manage.py test
     coverage report
     coverage html
 
 [testenv:clean]
-commands = 
+commands =
     coverage erase
 skip_install = True
 
 [testenv:csslint]
 allowlist_externals = {toxinidir}/node_modules/csslint/dist/cli.js
-passenv = 
+passenv =
     TRAVIS
     TRAVIS_JOB_ID
     TRAVIS_BRANCH
-commands = 
+commands =
     {toxinidir}/node_modules/csslint/dist/cli.js sql_grader/static/
-deps = 
+deps =
 skip_install = True
 
 [testenv:eslint]
 allowlist_externals = {toxinidir}/node_modules/eslint/bin/eslint.js
-passenv = 
+passenv =
     TRAVIS
     TRAVIS_JOB_ID
     TRAVIS_BRANCH
-commands = 
+commands =
     {toxinidir}/node_modules/eslint/bin/eslint.js sql_grader/static/view.js
-deps = 
+deps =
 skip_install = True
 
 [testenv:quality]
-passenv = 
+passenv =
     TRAVIS
     TRAVIS_JOB_ID
     TRAVIS_BRANCH
-deps = 
+deps =
     -rrequirements/quality.txt
-commands = 
+commands =
     pycodestyle sql_grader/
     pylint sql_grader/
 
 [testenv:translations_push]
-deps = 
+deps =
     transifex-client
-commands = 
+commands =
     tx push -s
 
 [testenv:translations_pull]
-deps = 
+deps =
     edx-i18n-tools==1.3.0
     transifex-client
-commands = 
+commands =
     cd sql_grader && i18n_tool transifex pull
-allowlist_externals = 
+allowlist_externals =
     cd
 
 [testenv:translations_compile]
-deps = 
+deps =
     edx-i18n-tools==1.3.0
-commands = 
+commands =
     cd sql_grader && i18n_tool generate
-allowlist_externals = 
+allowlist_externals =
     cd
 
 [testenv:translations_dummy]
-deps = 
+deps =
     edx-i18n-tools==1.3.0
-commands = 
+commands =
     cd sql_grader && i18n_tool dummy
-allowlist_externals = 
+allowlist_externals =
     cd
 
 [testenv:translations_detect_changed]
-deps = 
+deps =
     edx-i18n-tools==1.3.0
-commands = 
+commands =
     cd sql_grader && i18n_tool changed
-allowlist_externals = 
+allowlist_externals =
     cd
 
 [testenv:translations_extract]
-deps = 
+deps =
     edx-i18n-tools==1.3.0
-commands = 
+commands =
     cd sql_grader && i18n_tool extract
-allowlist_externals = 
+allowlist_externals =
     cd