diff --git a/caravel/source_registry.py b/caravel/source_registry.py
index ef56f0ef246f5..a61ac2df7c721 100644
--- a/caravel/source_registry.py
+++ b/caravel/source_registry.py
@@ -3,7 +3,7 @@
 
 class SourceRegistry(object):
     """ Central Registry for all available datasource engines"""
-    
+
     sources = {}
 
     def add_source(self, ds_type, cls):
@@ -14,4 +14,3 @@ def get_cls_model(self, ds_type):
 
     def all_sources(self):
         return self.sources
-