Install codecov in py38

Author: Surgo

tox.ini

@@ -19,12 +19,12 @@ deps =
   dj30: Django<3.1
   djdev: https://github.com/django/django/archive/master.tar.gz
   -r{toxinidir}/requirements.txt
-  py36-dj20: codecov
+  py38-dj30: codecov
 setenv =
   PYTHONPATH = {toxinidir}
   CODECOV_TOKEN="8ea69bfe-d9b5-45fc-97f7-ef843bd3d9d2"
 commands =
-  coverage run --source=django_elastipymemcache -m nose
+  coverage run --source=django_elastipymemcache -m nose --verbose
   py38-dj30: coverage report
   py38-dj30: coverage xml
   py38-dj30: codecov