diff --git a/tox.ini b/tox.ini
index 679d0a8d..467c87fd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -41,7 +41,11 @@ commands = rm -rf doc/build
            sphinx-build -E -W -b html doc/source doc/build/html
 
 [testenv:cover]
-commands = python setup.py testr --coverage --testr-args='{posargs}'
+commands =
+  coverage erase
+  find . -type f -name "*.pyc" -delete
+  python setup.py testr --coverage --testr-args='{posargs}'
+  coverage report
 
 [testenv:bandit]
 deps = -r{toxinidir}/test-requirements.txt