Cleaned up node server test

tests/node/test_server.py

@@ -1,22 +1,26 @@
 #!/usr/bin/env python
 
 
+from __future__ import print_function
+
 from pytest import PLATFORM, skip, fixture
-from circuits import Event, Component, handler
-from circuits.net.events import close
-from circuits.net.sockets import UDPServer
-from circuits.node import Node
-from circuits.node.server import Server
 
 if PLATFORM == 'win32':
     skip('Broken on Windows')
 
 
+from circuits import Event, Component
+from circuits.net.events import close
+from circuits.net.sockets import UDPServer
+from circuits.node import Node
+
+
 class return_value(Event):
     success = True
 
 
 class App(Component):
+
     def return_value(self, event):
         print('Hello client!', event.channels)
 
@@ -61,8 +65,7 @@ def test_auto_reconnect(app, watcher, manager):
     app.unregister()
     assert watcher.wait('unregistered', channel=app.channel)
 
-
-    for i in range(5):
+    for _ in range(5):
         watcher.clear()
         assert watcher.wait('connect', channel=chan)
         assert watcher.wait('unreachable', channel=chan)
@@ -76,6 +79,7 @@ def test_auto_reconnect(app, watcher, manager):
 
     client.unregister()
 
+
 def test_server_send_all(app, watcher, manager):
     client1 = App().register(manager)
     node1 = Node().register(client1)
@@ -101,7 +105,6 @@ def test_server_send(app, watcher, manager):
     chan1 = node1.add('client1', *app.bind)
     assert watcher.wait('connected', channel=chan1)
 
-
     client2 = App().register(manager)
     node2 = Node().register(client2)
     chan2 = node2.add('client2', *app.bind)
@@ -123,7 +126,6 @@ def test_server_send_multicast(app, watcher, manager):
     chan1 = node1.add('client1', *app.bind)
     assert watcher.wait('connected', channel=chan1)
 
-
     client2 = App().register(manager)
     node2 = Node().register(client2)
     chan2 = node2.add('client2', *app.bind)
@@ -148,4 +150,4 @@ def test_server_send_multicast(app, watcher, manager):
 
     client1.unregister()
     client2.unregister()
-    client3.unregister()
+    client3.unregister()