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Install the AsyncIOMainLoop instead of configuring it.

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Installing the loop instructs the tornado loop to point to the ayncio loop and use
that. IOLoop.configure told the tornado loop to create a new ioloop when
a loop was needed, which is not what we want.
This commit is contained in:
Joshua Milas
2017-10-03 08:30:49 -04:00
parent 056a7351a3
commit 54dcca7ba9
1 changed files with 2 additions and 1 deletions
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3
jupyterhub/app.py
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@@ -31,6 +31,8 @@ from tornado.ioloop import IOLoop, PeriodicCallback
from tornado.log import app_log, access_log, gen_log from tornado.log import app_log, access_log, gen_log
import tornado.options import tornado.options
from tornado import gen, web from tornado import gen, web
from tornado.platform.asyncio import AsyncIOMainLoop
AsyncIOMainLoop().install()
from traitlets import ( from traitlets import (
Unicode, Integer, Dict, TraitError, List, Bool, Any, Unicode, Integer, Dict, TraitError, List, Bool, Any,
@@ -1629,7 +1631,6 @@ class JupyterHub(Application):
@classmethod @classmethod
def launch_instance(cls, argv=None): def launch_instance(cls, argv=None):
self = cls.instance() self = cls.instance()
IOLoop.configure('tornado.platform.asyncio.AsyncIOLoop')
loop = IOLoop.current() loop = IOLoop.current()
loop.add_callback(self.launch_instance_async, argv) loop.add_callback(self.launch_instance_async, argv)
try: try: