code: def entity_import(args):
      
      project = args.project
      workspace = args.workspace
      chunk_size = args.chunk_size
  
      with open(args.tsvfile) as tsvf:
          headerline = tsvf.readline().strip()
          entity_data = [l.rstrip('\n') for l in tsvf]
  
      return _batch_load(project, workspace, headerline, entity_data, chunk_size)
docs: Upload an entity loadfile.