Index: Lib/asyncore.py
===================================================================
--- Lib/asyncore.py	(revision 67476)
+++ Lib/asyncore.py	(working copy)
@@ -95,14 +95,15 @@
 
 def readwrite(obj, flags):
     try:
-        if flags & (select.POLLIN | select.POLLPRI):
-            obj.handle_read_event()
-        if flags & select.POLLOUT:
-            obj.handle_write_event()
-        if flags & (select.POLLERR | select.POLLNVAL):
-            obj.handle_expt_event()
-        if flags & select.POLLHUP:
+        if flags & (select.POLLHUP | select.POLLERR | select.POLLNVAL):
             obj.handle_close()
+        else:
+            if flags & select.POLLIN:
+                obj.handle_read_event()
+            if flags & select.POLLOUT:
+                obj.handle_write_event()
+            if flags & select.POLLPRI:
+                obj.handle_expt_event()
     except (ExitNow, KeyboardInterrupt, SystemExit):
         raise
     except:
Index: Lib/test/test_asyncore.py
===================================================================
--- Lib/test/test_asyncore.py	(revision 67476)
+++ Lib/test/test_asyncore.py	(working copy)
@@ -137,7 +137,7 @@
                 def handle_error(self):
                     self.error_handled = True
 
-            for flag in (select.POLLIN, select.POLLPRI):
+            for flag in [select.POLLIN]:
                 tobj = testobj()
                 self.assertEqual(tobj.read, False)
                 asyncore.readwrite(tobj, flag)
@@ -173,9 +173,9 @@
 
             for flag in (select.POLLERR, select.POLLHUP, select.POLLNVAL):
                 tobj = testobj()
-                self.assertEqual((tobj.expt, tobj.closed)[flag == select.POLLHUP], False)
+                self.assertEqual(tobj.closed, False)
                 asyncore.readwrite(tobj, flag)
-                self.assertEqual((tobj.expt, tobj.closed)[flag == select.POLLHUP], True)
+                self.assertEqual(tobj.closed, True)
 
                 # check that ExitNow exceptions in the object handler method
                 # bubbles all the way up through asyncore readwrite calls