code: def test_csc_format_base_representation():
      csc_format_base = gb.CSCFormatBase(
          indptr=torch.tensor([0, 2, 4]),
          indices=torch.tensor([4, 5, 6, 7]),
      )
      expected_result = str(
          """CSCFormatBase(indptr=tensor([0, 2, 4]),
                indices=tensor([4, 5, 6, 7]),
  )"""
      )
      assert str(csc_format_base) == expected_result, print(
          csc_format_base
      )
  
file_path: dgl/tests/python/pytorch/graphbolt/test_base.py
imports: import re
  import unittest
  from collections.abc import Iterable, Mapping
  import backend
  import dgl.graphbolt
  import pytest
  import torch
  from .None import gb_test_utils
label_desc: Use image node_id 8 for calling a global function with example usage: test_csc_format_base_representation() without return types