diff --git a/adaptive/runner.py b/adaptive/runner.py
index d1f39e1e2..644433516 100644
--- a/adaptive/runner.py
+++ b/adaptive/runner.py
@@ -839,7 +839,8 @@ def default_save(learner):
         async def _saver():
             while self.status() == "running":
                 method(self.learner)
-                await asyncio.sleep(interval)
+                # No asyncio.shield needed, as 'wait' does not cancel any tasks.
+                await asyncio.wait([self.task], timeout=interval)
             method(self.learner)  # one last time
 
         self.saving_task = self.ioloop.create_task(_saver())
diff --git a/docs/source/tutorial/tutorial.IntegratorLearner.md b/docs/source/tutorial/tutorial.IntegratorLearner.md
index 50aaf2e5b..12b86e090 100644
--- a/docs/source/tutorial/tutorial.IntegratorLearner.md
+++ b/docs/source/tutorial/tutorial.IntegratorLearner.md
@@ -4,7 +4,7 @@ jupytext:
     extension: .md
     format_name: myst
     format_version: 0.13
-    jupytext_version: 1.14.5
+    jupytext_version: 1.14.7
 kernelspec:
   display_name: python3
   name: python3
@@ -86,9 +86,7 @@ if not runner.task.done():
 
 ```{code-cell} ipython3
 print(
-    "The integral value is {} with the corresponding error of {}".format(
-        learner.igral, learner.err
-    )
+    f"The integral value is {learner.igral} with the corresponding error of {learner.err}"
 )
 learner.plot()
 ```