Add missing finalize calls in example (#2175)

- add missing calls to dataset.finalize in the example recording scripts
- add section in the dataset docs on calling dataset.finalize

examples/lekiwi/evaluate.py

@@ -133,4 +133,6 @@ while recorded_episodes < NUM_EPISODES and not events["stop_recording"]:
 log_say("Stop recording")
 robot.disconnect()
 listener.stop()
+
+dataset.finalize()
 dataset.push_to_hub()

examples/lekiwi/record.py

@@ -130,4 +130,6 @@ robot.disconnect()
 leader_arm.disconnect()
 keyboard.disconnect()
 listener.stop()
+
+dataset.finalize()
 dataset.push_to_hub()

examples/phone_to_so100/evaluate.py

@@ -194,4 +194,6 @@ for episode_idx in range(NUM_EPISODES):
 log_say("Stop recording")
 robot.disconnect()
 listener.stop()
+
+dataset.finalize()
 dataset.push_to_hub()

examples/phone_to_so100/record.py

@@ -200,4 +200,6 @@ log_say("Stop recording")
 robot.disconnect()
 phone.disconnect()
 listener.stop()
+
+dataset.finalize()
 dataset.push_to_hub()

examples/port_datasets/port_droid.py

@@ -362,6 +362,8 @@ def port_droid(
         lerobot_dataset.save_episode()
         logging.info("Save_episode")
 
+    lerobot_dataset.finalize()
+
     if push_to_hub:
         lerobot_dataset.push_to_hub(
             # Add openx tag, since it belongs to the openx collection of datasets

examples/so100_to_so100_EE/evaluate.py

@@ -195,4 +195,6 @@ for episode_idx in range(NUM_EPISODES):
 log_say("Stop recording")
 robot.disconnect()
 listener.stop()
+
+dataset.finalize()
 dataset.push_to_hub()

examples/so100_to_so100_EE/record.py

@@ -199,4 +199,6 @@ log_say("Stop recording")
 leader.disconnect()
 follower.disconnect()
 listener.stop()
+
+dataset.finalize()
 dataset.push_to_hub()