whitespace fix

AUTHORS

@@ -13,4 +13,5 @@
 * rogererens <roger.erens@e-s-c.biz>
 * Thomas Ballinger <thomasballinger@gmail.com>
 * Morten Linderud <mcfoxax@gmail.com>
-* Guillermo Vayá <guivaya@gmail.com>
+* Guillermo Vayá <guivaya@gmail.com>
+

hy/macros.py

@@ -72,7 +72,7 @@ def process(tree, module_name):
     if isinstance(tree, HyExpression):
         if tree == []:
             return tree
-        
+
         fn = tree[0]
         if fn in ("quote", "quasiquote"):
             return tree

tests/native_tests/language.hy

@@ -758,4 +758,5 @@
 
 (defn test-empty-list []
   "Evaluate an empty list to a []"
-  (assert (= () [])))
+  (assert (= () [])))
+