sig/selector.rbs in httpx-0.20.0 vs sig/selector.rbs in httpx-0.20.1

@@ -5,10 +5,10 @@
     READABLE: Array[Symbol]
     WRITABLE: Array[Symbol]
     @selectables: Array[selectable]
 
     def register: (selectable io) -> void
-    def deregister: (selectable io) -> void
+    def deregister: (selectable io) -> selectable?
 
     def select: (Numeric? interval) { (selectable) -> void } -> void
 
     private
 
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