IOLoop cleanup

couchpotato/api.py

 from flask.blueprints import Blueprint
 from flask.helpers import url_for
-from tornado.ioloop import IOLoop
 from tornado.web import RequestHandler, asynchronous
 from werkzeug.utils import redirect
 
@@ -11,7 +10,11 @@ api_nonblock = {}
 
 
 class NonBlockHandler(RequestHandler):
-    stoppers = []
+
+    def __init__(self, application, request, **kwargs):
+        cls = NonBlockHandler
+        cls.stoppers = []
+        super(NonBlockHandler, self).__init__(application, request, **kwargs)
 
     @asynchronous
     def get(self, route):

couchpotato/runner.py

@@ -4,7 +4,6 @@ from couchpotato.api import api, NonBlockHandler
 from couchpotato.core.event import fireEventAsync, fireEvent
 from couchpotato.core.helpers.variable import getDataDir, tryInt
 from logging import handlers
-from tornado.ioloop import IOLoop
 from tornado.web import Application, FallbackHandler
 from tornado.wsgi import WSGIContainer
 from werkzeug.contrib.cache import FileSystemCache
@@ -231,6 +230,7 @@ def runCouchPotato(options, base_path, args, data_dir = None, log_dir = None, En
     fireEventAsync('app.load')
 
     # Go go go!
+    from tornado.ioloop import IOLoop
     web_container = WSGIContainer(app)
     web_container._log = _log
     loop = IOLoop.instance()