Use f-string for log message

As suggested by @catileptic

Author: tillprochaska

ingestors/manager.py

@@ -199,7 +199,7 @@ def ingest(self, file_path, entity, **kwargs):
         try:
             ingestor_class = self.auction(file_path, entity)
             ingestor_name = ingestor_class.__name__
-            log.info("Ingestor [%r]: %s", entity, ingestor_name)
+            log.info(f"Ingestor [{repr(entity)}]: {ingestor_name}")
 
             start_time = default_timer()
             self.delegate(ingestor_class, file_path, entity)