diff --git a/bumblebee_status/modules/contrib/shell.py b/bumblebee_status/modules/contrib/shell.py
index d497adc..a451692 100644
--- a/bumblebee_status/modules/contrib/shell.py
+++ b/bumblebee_status/modules/contrib/shell.py
@@ -1,6 +1,6 @@
 # pylint: disable=C0111,R0903,W1401
 
-""" Execute command in shell and print result
+r""" Execute command in shell and print result
 
 Few command examples:
     'ping -c 1 1.1.1.1 | grep -Po '(?<=time=)\d+(\.\d+)? ms''
diff --git a/pytests/core/test_config.py b/pytests/core/test_config.py
index 7101efc..77ac308 100644
--- a/pytests/core/test_config.py
+++ b/pytests/core/test_config.py
@@ -88,11 +88,11 @@ def test_all_modules():
     assert os.path.exists(os.path.join(base, "contrib", pyname)) \
         or os.path.exists(os.path.join(base, "core", pyname))
 
-#def test_list_output(mocker):
-#    mocker.patch("core.config.sys")
-#    cfg = core.config.Config(["-l", "themes"])
-#    cfg = core.config.Config(["-l", "modules"])
-#    cfg = core.config.Config(["-l", "modules-rst"])
+def test_list_output(mocker):
+    mocker.patch("core.config.sys")
+    cfg = core.config.Config(["-l", "themes"])
+    cfg = core.config.Config(["-l", "modules"])
+    cfg = core.config.Config(["-l", "modules-rst"])
 
 def test_missing_parameter():
     cfg = core.config.Config(["-p", "test.key"])