diff --git a/augur/analyze.py b/augur/analyze.py
index 352fc1e..ba3e0aa 100644
--- a/augur/analyze.py
+++ b/augur/analyze.py
@@ -203,7 +203,7 @@ def get_fisher_bias(self):
 
         if self.derivatives is None:
             self.get_derivatives()
-        
+
         if self.Fij is None:
             self.get_fisher_matrix()