diff --git a/Lib/idlelib/configHandler.py b/Lib/idlelib/configHandler.py
index 73b8db5..79315ef 100644
--- a/Lib/idlelib/configHandler.py
+++ b/Lib/idlelib/configHandler.py
@@ -145,7 +145,8 @@
             except IOError:
                 os.unlink(fname)
                 cfgFile = open(fname, 'w')
-            self.write(cfgFile)
+            with cfgFile:
+                self.write(cfgFile)
         else:
             self.RemoveFile()
 
diff --git a/Lib/idlelib/rpc.py b/Lib/idlelib/rpc.py
index 0c56ccd..53f4aa8 100644
--- a/Lib/idlelib/rpc.py
+++ b/Lib/idlelib/rpc.py
@@ -534,6 +534,10 @@
     def get_remote_proxy(self, oid):
         return RPCProxy(self, oid)
 
+    def close(self):
+        self.listening_sock.close()
+        SocketIO.close(self)
+
 class RPCProxy(object):
 
     __methods = None