code: def import_from_csv(
      filename_or_fobj,
      encoding="utf-8",
      dialect=None,
      sample_size=262144,
      *args,
      **kwargs
  ):
      
      source = Source.from_file(
          filename_or_fobj, plugin_name="csv", mode="rb", encoding=encoding
      )
  
      if dialect is None:
          dialect = discover_dialect(
              sample=read_sample(source.fobj, sample_size), encoding=source.encoding
          )
  
      reader = unicodecsv.reader(source.fobj, encoding=encoding, dialect=dialect)
  
      meta = {"imported_from": "csv", "source": source}
      return create_table(reader, meta=meta, *args, **kwargs)
docs: Import data from a CSV file (automatically detects dialect).
  
      If a file-like object is provided it MUST be in binary mode, like in
      `open(filename, mode='rb')`.