ewoksdata.data.nexus.create_nexus_group# ewoksdata.data.nexus.create_nexus_group(url, retry_timeout=None, retry_period=None, default_levels=None, **open_options)[source]# Yields: (h5group, already_existed) Parameters: url (Union[str, DataUrl]) default_levels (Optional[Tuple[str]]) Return type: Iterator[Tuple[Group, bool]]