Index: jupyter_client-7.4.8/pyproject.toml
===================================================================
--- jupyter_client-7.4.8.orig/pyproject.toml
+++ jupyter_client-7.4.8/pyproject.toml
@@ -136,6 +136,9 @@ filterwarnings= [
   # when there is a running event loop.
   "ignore:There is no current event loop:DeprecationWarning:zmq",
 
+  # https://github.com/jupyter/jupyter_client/issues/713
+  "ignore:There is no current event loop:DeprecationWarning",
+
   # Workaround for jupyter_core warning.
   "module:Jupyter is migrating its paths to use standard platformdirs:DeprecationWarning",
 ]