code: def test_get_partition_spec(self):
      xs = {
          "kernel": meta.Partitioned(
              jnp.zeros((8, 3, 3)), ("layers", "in", "out")
          ),
          "bias": jnp.zeros((8, 3)),
          "step": jnp.array(100),
      }
      ps = meta.get_partition_spec(xs)
      self.assertEqual(
          ps,
          {
              "kernel": jax.sharding.PartitionSpec(
                  "layers", "in", "out"
              ),
              "bias": jax.sharding.PartitionSpec(),
              "step": jax.sharding.PartitionSpec(),
          },
      )
  
file_path: flax/tests/core/core_meta_test.py
imports: import jax
  from absl.testing import absltest
  from jax import numpy
  from jax import random, sharding
  from jax.experimental import mesh_utils
  from flax import errors
  from flax.core import init, lift, meta, nn
label_desc: Use image node_id 6 for calling the MetaTest obj's underlying member method code with example usage: obj.test_get_partition_spec() without return types