Merge pull request #704 from ccordoba12/fix-eventloops

Fix Tk and asyncio event loops

Author: blink1073

ipykernel/eventloops.py

@@ -232,10 +232,10 @@ def process_stream_events(stream, *a, **kw):
         # For Tkinter, we create a Tk object and call its withdraw method.
         kernel.app_wrapper = BasicAppWrapper(app)
 
-        notifier = partial(process_stream_events, shell_stream)
+        notifier = partial(process_stream_events, kernel.shell_stream)
         # seems to be needed for tk
         notifier.__name__ = "notifier"
-        app.tk.createfilehandler(shell_stream.getsockopt(zmq.FD), READABLE, notifier)
+        app.tk.createfilehandler(kernel.shell_stream.getsockopt(zmq.FD), READABLE, notifier)
         # schedule initial call after start
         app.after(0, notifier)
 
@@ -364,8 +364,8 @@ def process_stream_events(stream):
         if stream.flush(limit=1):
             loop.stop()
 
-    notifier = partial(process_stream_events, shell_stream)
-    loop.add_reader(shell_stream.getsockopt(zmq.FD), notifier)
+    notifier = partial(process_stream_events, kernel.shell_stream)
+    loop.add_reader(kernel.shell_stream.getsockopt(zmq.FD), notifier)
     loop.call_soon(notifier)
 
     while True: