diff --git a/molfeat/calc/fingerprints.py b/molfeat/calc/fingerprints.py
index 0826202..eb89ff9 100644
--- a/molfeat/calc/fingerprints.py
+++ b/molfeat/calc/fingerprints.py
@@ -176,7 +176,7 @@
         "nBits": 512,
         "isQuery": False,
         "bitFlags": pyAvalonTools.avalonSimilarityBits,
-    },    
+    },
     "atompair-count": {
         "minDistance": 1,
         "maxDistance": 30,