docs: def split(self, file):
          """Split a file into records using a specific strategy
  
          This RecordIOSplitter splits the data into individual RecordIO records.
  
          Args:
              file (str): path to the file to split
  
          Returns: generator for the individual records that were split from the file
          """
          with open(file, 'rb') as f:
              for record in sagemaker.amazon.common.read_recordio(f):
                  yield record