fix(lerobot/common/utils): remove lint warnings/errors

lerobot/common/utils/benchmark.py

@@ -68,9 +68,9 @@ class TimeBenchmark(ContextDecorator):
         Block took approximately 10.00 milliseconds
     """
 
-    def __init__(self, print=False):
+    def __init__(self, print_time=False):
         self.local = threading.local()
-        self.print_time = print
+        self.print_time = print_time
 
     def __enter__(self):
         self.local.start_time = time.perf_counter()

lerobot/common/utils/import_utils.py

@@ -46,7 +46,7 @@ def is_package_available(pkg_name: str, return_version: bool = False) -> tuple[b
             else:
                 # For packages other than "torch", don't attempt the fallback and set as not available
                 package_exists = False
-        logging.debug(f"Detected {pkg_name} version: {package_version}")
+        logging.debug("Detected %s version: %s", {pkg_name}, package_version)
     if return_version:
         return package_exists, package_version
     else:

lerobot/common/utils/logging_utils.py

@@ -27,6 +27,8 @@ class AverageMeter:
     def __init__(self, name: str, fmt: str = ":f"):
         self.name = name
         self.fmt = fmt
+        self.val = 0.0
+        self.avg = 0.0
         self.reset()
 
     def reset(self) -> None:

lerobot/common/utils/utils.py

@@ -69,7 +69,7 @@ def get_safe_torch_device(try_device: str, log: bool = False) -> torch.device:
         case _:
             device = torch.device(try_device)
             if log:
-                logging.warning(f"Using custom {try_device} device.")
+                logging.warning("Using custom %s device.", try_device)
 
     return device
 

lerobot/common/utils/wandb_utils.py

@@ -86,7 +86,7 @@ class WandBLogger:
             resume="must" if cfg.resume else None,
         )
         print(colored("Logs will be synced with wandb.", "blue", attrs=["bold"]))
-        logging.info(f"Track this run --> {colored(wandb.run.get_url(), 'yellow', attrs=['bold'])}")
+        logging.info("Track this run --> %s", colored(wandb.run.get_url(), "yellow", attrs=["bold"]))
         self._wandb = wandb
 
     def log_policy(self, checkpoint_dir: Path):
@@ -108,7 +108,7 @@ class WandBLogger:
         for k, v in d.items():
             if not isinstance(v, (int, float, str)):
                 logging.warning(
-                    f'WandB logging of key "{k}" was ignored as its type is not handled by this wrapper.'
+                    'WandB logging of key "%s" was ignored as its type is not handled by this wrapper.', k
                 )
                 continue
             self._wandb.log({f"{mode}/{k}": v}, step=step)