chore(utils): move encoding utils and process to their respective modules (#2029)

Signed-off-by: Steven Palma <imstevenpmwork@ieee.org>

src/lerobot/motors/dynamixel/dynamixel.py

@@ -22,7 +22,7 @@ import logging
 from copy import deepcopy
 from enum import Enum
 
-from lerobot.utils.encoding_utils import decode_twos_complement, encode_twos_complement
+from lerobot.motors.encoding_utils import decode_twos_complement, encode_twos_complement
 
 from ..motors_bus import Motor, MotorCalibration, MotorsBus, NameOrID, Value, get_address
 from .tables import (

src/lerobot/motors/feetech/feetech.py

@@ -17,7 +17,7 @@ from copy import deepcopy
 from enum import Enum
 from pprint import pformat
 
-from lerobot.utils.encoding_utils import decode_sign_magnitude, encode_sign_magnitude
+from lerobot.motors.encoding_utils import decode_sign_magnitude, encode_sign_magnitude
 
 from ..motors_bus import Motor, MotorCalibration, MotorsBus, NameOrID, Value, get_address
 from .tables import (

src/lerobot/rl/actor.py

@@ -63,6 +63,7 @@ from lerobot.configs.train import TrainRLServerPipelineConfig
 from lerobot.policies.factory import make_policy
 from lerobot.policies.sac.modeling_sac import SACPolicy
 from lerobot.processor import TransitionKey
+from lerobot.rl.process import ProcessSignalHandler
 from lerobot.robots import so100_follower  # noqa: F401
 from lerobot.teleoperators import gamepad, so101_leader  # noqa: F401
 from lerobot.teleoperators.utils import TeleopEvents
@@ -75,7 +76,6 @@ from lerobot.transport.utils import (
     send_bytes_in_chunks,
     transitions_to_bytes,
 )
-from lerobot.utils.process import ProcessSignalHandler
 from lerobot.utils.queue import get_last_item_from_queue
 from lerobot.utils.random_utils import set_seed
 from lerobot.utils.robot_utils import busy_wait

src/lerobot/rl/learner.py

@@ -67,6 +67,7 @@ from lerobot.datasets.lerobot_dataset import LeRobotDataset
 from lerobot.policies.factory import make_policy
 from lerobot.policies.sac.modeling_sac import SACPolicy
 from lerobot.rl.buffer import ReplayBuffer, concatenate_batch_transitions
+from lerobot.rl.process import ProcessSignalHandler
 from lerobot.robots import so100_follower  # noqa: F401
 from lerobot.teleoperators import gamepad, so101_leader  # noqa: F401
 from lerobot.teleoperators.utils import TeleopEvents
@@ -83,7 +84,6 @@ from lerobot.utils.constants import (
     PRETRAINED_MODEL_DIR,
     TRAINING_STATE_DIR,
 )
-from lerobot.utils.process import ProcessSignalHandler
 from lerobot.utils.random_utils import set_seed
 from lerobot.utils.train_utils import (
     get_step_checkpoint_dir,