class_docstr: Test rlax can be imported correctly.
class_docstr_tok: ["Test","rlax","can","be","imported","correctly","."]
code: def test_import(self):
      self.assertTrue(hasattr(rlax, "batched_index"))
  
imports: from absl.testing import absltest
  import rlax
label_desc: Use image node_id 1 for calling the RlaxTest obj's underlying member method code with example usage: obj.test_import() without return types