diff --git a/.testr.conf b/.testr.conf
new file mode 100644
index 0000000..35d9ba4
--- /dev/null
+++ b/.testr.conf
@@ -0,0 +1,7 @@
+[DEFAULT]
+test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
+             OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
+             OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-60} \
+             ${PYTHON:-python} -m subunit.run discover -t ./ ./tests $LISTOPT $IDOPTION
+test_id_option=--load-list $IDFILE
+test_list_option=--list
diff --git a/cathead/cathead.py b/cathead/cathead.py
index 5c226c0..652ebba 100644
--- a/cathead/cathead.py
+++ b/cathead/cathead.py
@@ -113,12 +113,14 @@ class Cathead(object):
     def wait(self):
         self._scheduler.wait()
 
+
 def main():
     if len(sys.argv) == 2:
         # sys.path.append(os.path.abspath(sys.argv[1]))
         # conf_module = importlib.import_module(sys.argv[1].split(".py")[0])
         # conf = __import__(sys.argv[1].split(".py")[0])
-        (file, path, desc) = imp.find_module(sys.argv[1].split(".py")[0], ["."])
+        py_file = sys.argv[1].split(".py")[0]
+        (file, path, desc) = imp.find_module(py_file, ["."])
         conf_module = imp.load_module('', file, path, desc)
         Cathead(conf_module.CONF).start()
     else:
diff --git a/tests/test_selfsigndriver.py b/tests/test_selfsigndriver.py
index d82d539..cc02c1c 100644
--- a/tests/test_selfsigndriver.py
+++ b/tests/test_selfsigndriver.py
@@ -1,6 +1,6 @@
 import re
-import unittest
 import tempfile
+import unittest
 
 from cathead.drivers import selfsign
 from cathead import x509