diff --git a/tox.ini b/tox.ini
index 003f1c7c..b745d829 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,31 +2,30 @@
 envlist = py38-django{32}-drf{312,latest}, quality, docs
 
 [testenv]
-setenv = 
+setenv =
     PYTHONPATH = {toxinidir}
-deps = 
+deps =
     -r{toxinidir}/requirements/test.txt
     django32: Django>=3.2,<4.0
     drf312: djangorestframework>=3.12,<3.13
     drflatest: djangorestframework
-commands = 
-    python -Wd -m pytest {posargs}
+commands =
+    python -m pytest --cov {posargs}
     coverage report
 
 [testenv:quality]
-setenv = 
+setenv =
     PYTHONPATH = {toxinidir}
-whitelist_externals = 
+whitelist_externals =
     make
-commands = 
+commands =
     make quality
 
 [testenv:docs]
 changedir = docs
-deps = 
+deps =
     -r{toxinidir}/requirements/docs.txt
-whitelist_externals = 
+whitelist_externals =
     make
-commands = 
+commands =
     make html
-