Refactor collections and fstrings (#7821)

* Update torch_utils.py

* Additional code refactoring

* tuples to sets

* Cleanup

utils/general.py

@@ -84,7 +84,7 @@ def set_logging(name=None, verbose=VERBOSE):
         for h in logging.root.handlers:
             logging.root.removeHandler(h)  # remove all handlers associated with the root logger object
     rank = int(os.getenv('RANK', -1))  # rank in world for Multi-GPU trainings
-    level = logging.INFO if (verbose and rank in (-1, 0)) else logging.WARNING
+    level = logging.INFO if verbose and rank in {-1, 0} else logging.WARNING
     log = logging.getLogger(name)
     log.setLevel(level)
     handler = logging.StreamHandler()