diff --git a/uasyncio/test_call_soon.py b/uasyncio.core/example_call_soon.py
similarity index 83%
rename from uasyncio/test_call_soon.py
rename to uasyncio.core/example_call_soon.py
index 99ccfefb..f58fdbd2 100644
--- a/uasyncio/test_call_soon.py
+++ b/uasyncio.core/example_call_soon.py
@@ -1,4 +1,4 @@
-import uasyncio as asyncio
+import uasyncio.core as asyncio
 import time