diff --git a/doc/source/conf.py b/doc/source/conf.py
index 0dfdd9d2..fe62606e 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -18,13 +18,14 @@
 import warnings
 
 warnings.filterwarnings(
-    'ignore',
-    message='DCDReader currently makes independent timesteps',
+    "ignore",
+    message="DCDReader currently makes independent timesteps",
     category=DeprecationWarning,
-    module='MDAnalysis.coordinates.DCD'
+    module="MDAnalysis.coordinates.DCD",
 )
 
 import MDAnalysis as mda
+
 MDAnalysis_version = mda.__version__
 
 # -- Project information -----------------------------------------------------