missing end paren

experiment/production/PIU-Notes.md

@@ -166,7 +166,7 @@ dev.grab()
 
 async def print_events(device):
   async for event in device.async_read_loop():
-    print(device.path, evdev.categorize(event, sep=': ')
+    print(device.path, evdev.categorize(event, sep=': '))
 
 for device in dev:
   asyncio.ensure_future(print_events(dev))