update example

Author: guenp

examples/test_statswrapper.py

@@ -1,15 +1,19 @@
 from __future__ import annotations
 
+import time
+
 from telemetric.statswrapper import print_all_stats, stats_deco
 
 
 @stats_deco(None, b=("a", 3), c=None)
 def test_func(a, b=None, c=None):
+    time.sleep(a)
     return a, b, c
 
 
 # Do things with test_func
 test_func(1, 3)
+test_func(2, 3)
 
 # How many calls (errors, and how often something was odd with the args)
 print("counts: ", test_func._get_counts())  # noqa: T201