diff --git a/.coveragerc b/.coveragerc
index 1f1b8138..453dadd6 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1,7 +1,8 @@
 [run]
 branch = True
+
+[report]
 omit =
-    *migrations*
-    *site-packages*
-include =
-    parkings/*
+    */.tox/*
+    manage.py
+    time_check_parking.py
diff --git a/parkings/api/__init__.py b/parkings/api/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/parkings/api/auth/__init__.py b/parkings/api/auth/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/parkings/api/monitoring/__init__.py b/parkings/api/monitoring/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tox.ini b/tox.ini
index f880faec..53085bb3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ passenv = CI
 setenv =
     DEBUG=0
     SECRET_KEY=topsecret123
-commands = py.test -ra -vvv --strict --cov {posargs}
+commands = pytest -ra -vvv --strict --doctest-modules --cov=. {posargs}
 
 [testenv:requirements]
 basepython = python3.5