Catch socket error in server.

telematica/ass1/server.py

@@ -106,7 +106,7 @@ class RequestHandler(AsyncBase, asyncore.dispatcher):
                 elif chunk == '\n' and buf[-1] == '\r':
                     break
                 buf += chunk
-        except SocketError:
+        except SocketError, socket.error:
             self.log.info('client %s:%d disconnected or socket is broken.' \
                     % self.address)
             self.server.disconnect_client(self.address)