I need to backfill some missing data into the summary index. However, there are already a few data present in the same index. Therefore, I only want to backfill the remaining events, and the data that is already present should not be injected again. I am currently using the 'fill_summary_index.py' script, but during testing, it seems to inject duplicate data, indicating that the deduplication function is not working correctly in this script. Please help me by providing a proper script to address this issue.
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