Only catch KeyErrors generated when fetching a connection to avoid hiding...

Only catch KeyErrors generated when fetching a connection to avoid hiding other exceptions. (missed in r687)


git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@696 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/event.py

@@ -107,13 +107,14 @@ class SelectEventManager(object):
             # This can fail, if a connection is closed in readable().
             try:
                 conn = self.connection_dict[s]
+            except KeyError:
+                pass
+            else:
                 conn.lock()
                 try:
                     conn.writable()
                 finally:
                     conn.unlock()
-            except KeyError:
-                pass
 
         # Check idle events. Do not check them out too often, because this
         # is somehow heavy.