Policies: Fix log message when pfn2lfn is not specified

lib/rucio/rse/translation.py

@@ -37,15 +37,14 @@ def __init__(self, vo: str = 'def'):
         logger = logging.getLogger(__name__)
 
         try:
-            # Use the function defined in the policy package if it's configured so
             algorithm_name = config.config_get('policy', self._algorithm_type)
         except (NoOptionError, NoSectionError, RuntimeError):
-            # Don't use a function from the policy package. Use one defined in this class according to vo
-            logger.debug("PFN2LFN function will not be fetched from the policy package")
+            logger.debug("PFN2LFN: no algorithm specified in the config.")
             if super()._supports(self._algorithm_type, vo):
                 algorithm_name = vo
             else:
                 algorithm_name = "def"
+            logger.debug("PFN2LFN: Falling back to %s algorithm.", 'default' if algorithm_name == 'def' else algorithm_name)
 
         self.parser = self.get_parser(algorithm_name)