Smarter prediction loop and no- -> no_ in console args (#8151)

* Smarter prediction loop and no- -> no_ in console args

* Fix test

src/transformers/hf_argparser.py

@@ -66,7 +66,7 @@ class HfArgumentParser(ArgumentParser):
                 if field.type is bool or (field.default is not None and field.default is not dataclasses.MISSING):
                     kwargs["action"] = "store_false" if field.default is True else "store_true"
                 if field.default is True:
-                    field_name = f"--no-{field.name}"
+                    field_name = f"--no_{field.name}"
                     kwargs["dest"] = field.name
             elif hasattr(field.type, "__origin__") and issubclass(field.type.__origin__, List):
                 kwargs["nargs"] = "+"