diff --git a/django_filters/widgets.py b/django_filters/widgets.py
index 8d358331..f5c99b11 100644
--- a/django_filters/widgets.py
+++ b/django_filters/widgets.py
@@ -205,8 +205,8 @@ def value_from_datadict(self, data, files, name):
         if value is not None:
             if value == "":  # empty value should parse as an empty list
                 return []
-            if isinstance(value, list):  
-                # since django.forms.widgets.SelectMultiple tries to use getlist 
+            if isinstance(value, list):
+                # since django.forms.widgets.SelectMultiple tries to use getlist
                 # if available, we should return value if it's already an array
                 return value
             return value.split(",")