lab3.md

@@ -366,7 +366,7 @@ import ament_index_python
 def display_exceptions(func):
   def wrapper(*args):
     try:
-      func(*args)
+      return func(*args)
     except Exception as ex:
       traceback.print_exception(*sys.exc_info()) 
       print(f"Unhandled exception was caught: '{ex}'")