diff --git a/src/sage/rings/species.py b/src/sage/rings/species.py
index a4625cd6182..1c453a87ea5 100644
--- a/src/sage/rings/species.py
+++ b/src/sage/rings/species.py
@@ -843,7 +843,7 @@ def gen(self, x):
             elm._mc = at._mc
             elm._tc = at._tc
         return elm
-    
+
     def _repr_(self):
         r"""
         Return a string representation of ``self``.