code: def testSinc(self):
      # Regression test for #6936
      self.assertEqual(jnp.sinc(0.0), 1.0)
  
imports: from absl.testing import absltest
  import jax
  import numpy
  from unittest import SkipTest
  from jax._src import api
  from jax._src import test_util
  from jax import numpy
  from jax.experimental import pjit, maps
  from jax import config
label_desc: Use image node_id 3 for calling the DebugNaNsTest obj's underlying member method code with example usage: obj.testSinc() without return types