Hardware API redesign (#777)

Co-authored-by: Pepijn <138571049+pkooij@users.noreply.github.com>
Co-authored-by: Steven Palma <imstevenpmwork@ieee.org>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Steven Palma <steven.palma@huggingface.co>
Co-authored-by: Adil Zouitine <adilzouitinegm@gmail.com>
Co-authored-by: Pepijn <pepijn@huggingface.co>

lerobot/configs/train.py

@@ -170,6 +170,5 @@ class TrainPipelineConfig(HubMixin):
                 ) from e
 
         cli_args = kwargs.pop("cli_args", [])
-        cfg = draccus.parse(cls, config_file, args=cli_args)
-
-        return cfg
+        with draccus.config_type("json"):
+            return draccus.parse(cls, config_file, args=cli_args)