make lint ahppy

Signed-off-by: Lou DeGenaro <[email protected]>

trestle/tasks/cis_xlsx_to_oscal_catalog.py

@@ -231,8 +231,8 @@ def __init__(self, config_object: Optional[configparser.SectionProxy]) -> None:
             config_object: Config section associated with the task.
         """
         super().__init__(config_object)
-        logger.warning(f'This task is deprecated. Use task cis-xlsx-to-oscal-cd.')
-        
+        logger.warning('This task is deprecated. Use task cis-xlsx-to-oscal-cd.')
+
     def print_info(self) -> None:
         """Print the help string."""
         logger.info(f'Help information for {self.name} task.')