Update load_csv.py#229
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Redundant CSV Loading: The main issue with the original approach is that the CSV is being loaded twice — once for metadata_columns and once for NECESSARY_COLS. This leads to repeated IO operations and potential inefficiency. Since the columns are being merged in the same function, you can load the CSV once and manage the metadata combination more efficiently.
Instead of I loaded all metadata columns in one with loader_metadata = CSVLoader(path, metadata_columns=NECESSARY_COLS + metadata_columns)