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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ def _do_write_episode(self, h5_episode_group: h5py.Group, episode: EpisodeData):
def create_dataset_helper(group, key, value):
"""Helper method to create dataset that contains recursive dict objects."""
if isinstance(value, dict):
key_group = group.get(key, group.create_group(key))
key_group = group[key] if key in group else group.create_group(key)
for sub_key, sub_value in value.items():
create_dataset_helper(key_group, sub_key, sub_value)
else:
Expand Down Expand Up @@ -112,7 +112,12 @@ def write_episode(self, episode: EpisodeData, write_mode: StreamWriteMode):
return

group_name = f"demo_{self._demo_count}"
h5_episode_group = self._hdf5_data_group.get(group_name, self._hdf5_data_group.create_group(group_name))
h5_episode_group = (
self._hdf5_data_group[group_name]
if group_name in self._hdf5_data_group
else self._hdf5_data_group.create_group(group_name)
)

# store number of steps taken
if "actions" in episode.data:
if "num_samples" not in h5_episode_group.attrs:
Expand Down