asynch decorator fix

inventory_provider/tasks/worker.py

 import csv
+import functools
 import json
 import logging
 import os
@@ -44,6 +45,8 @@ logger = logging.getLogger(__name__)
 
 def log_task_entry_and_exit(f):
     # cf. https://stackoverflow.com/a/47663642
+    # cf. https://stackoverflow.com/a/59098957/6708581
+    @functools.wraps(f)
     def _w(*args, **kwargs):
         logger.debug(f'>>> {f.__name__}{args}')
         try: