Fix python tests for tornado 5 (jupyterlab#4121)

* Try with pin and non-api tests * update appveyor script * try with tornado 5 * try with tornado 5 and turn back on tests * revert changes to script
skyetim · Mar 6, 2018 · 4d7e404 · 4d7e404
1 parent 4315cec
commit 4d7e404
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/jupyterlab/tests/utils.py b/jupyterlab/tests/utils.py
@@ -71,6 +71,9 @@ def tmp(*parts):
         started = Event()
 
         def start_thread():
+            if 'asyncio' in sys.modules:
+                import asyncio
+                asyncio.set_event_loop(asyncio.new_event_loop())
             app = cls.notebook = LabApp(
                 app_dir=lab_dir,
                 port=cls.port,