core/time.rbs in rbs-1.0.4 vs core/time.rbs in rbs-1.0.5

@@ -228,10 +228,11 @@
   #     t2.nsec            #=> 198222999
   #     t <=> t2           #=> -1
   #     t2 <=> t           #=> 1
   #     t <=> t            #=> 0
   #
-  def <=>: (Time other) -> Integer?
+  def <=>: (Time other) -> Integer
+         | (untyped other) -> Integer?
 
   def >: (Time arg0) -> bool
 
   def >=: (Time arg0) -> bool