diff --git a/bluesky_widgets/models/search.py b/bluesky_widgets/models/search.py
index 77a9314..58c1ced 100644
--- a/bluesky_widgets/models/search.py
+++ b/bluesky_widgets/models/search.py
@@ -19,7 +19,7 @@
 
 
 class InvertedRange(ValueError):
-   pass 
+    pass
 
 
 """
@@ -38,11 +38,11 @@ class Query(collections.abc.Mapping):
 
     @abc.abstractproperty
     def query(self):
-       pass 
+        pass 
 
     @abc.abstractproperty
     def kwargs(self):
-       pass 
+        pass 
 
     def __iter__(self):
         return iter(self.query)