diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..0bcb412
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,21 @@
+[run]
+omit = 
+	*/migrations/*
+	*/tests/*
+	test_*.py
+	*/__init__.py
+	*/urls.py
+	*/settings.py
+	*/tests.py
+source =
+    colab/
+
+[report]
+precision = 2
+show_missing = True
+
+[html]
+directory = coverage_report/
+title = Colab test coverage
+
+	
diff --git a/colab/tests/settings.py b/colab/tests/settings.py
index 843bf0e..c2b5eeb 100644
--- a/colab/tests/settings.py
+++ b/colab/tests/settings.py
@@ -1,5 +1,6 @@
 from ..settings import *
 
+
 STATICFILES_STORAGE = 'django.contrib.staticfiles.storage.StaticFilesStorage'
 
 LOGGING = {
diff --git a/runtests.py b/runtests.py
index bc264f6..00ed203 100755
--- a/runtests.py
+++ b/runtests.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import os
+import sys
 
 os.environ['DJANGO_SETTINGS_MODULE'] = 'colab.tests.settings'
 os.environ['COVERAGE_PROCESS_START'] = '.coveragerc'
@@ -22,5 +23,6 @@ def runtests():
 
 
 if __name__ == '__main__':
+    os.remove('.coverage')
     coverage.process_startup()
     runtests()
--
libgit2 0.21.2