Make CLI run command use integer mapping for device argument.

transformers/commands/run.py

@@ -31,7 +31,7 @@ class RunCommand(BaseTransformersCLICommand):
     @staticmethod
     def register_subcommand(parser: ArgumentParser):
         run_parser = parser.add_parser('run', help="Run a pipeline through the CLI")
-        run_parser.add_argument('--device', type=int, default=-1, help='Indicate the device to run onto, -1 indicates CPU, >= 0 indicates GPU')
+        run_parser.add_argument('--device', type=int, default=-1, help='Indicate the device to run onto, -1 indicates CPU, >= 0 indicates GPU (default: -1)')
         run_parser.add_argument('--task', choices=SUPPORTED_TASKS.keys(), help='Task to run')
         run_parser.add_argument('--model', type=str, required=True, help='Name or path to the model to instantiate.')
         run_parser.add_argument('--tokenizer', type=str, help='Name of the tokenizer to use. (default: same as the model name)')