Update cf/query.py to add blank line per house style (3)

Co-authored-by: David Hassell <[email protected]>

Author: sadielbartholomew

cf/query.py

@@ -495,6 +495,7 @@ def __str__(self):
         if self.open_lower:
             repr_value = "(" + repr_value[1:]
 
+
         if self.open_upper:
             repr_value = repr_value[:-1] + ")"