code: def __call__(self, x, dtype=jnp.bfloat16):
      input_onehot = jax.nn.one_hot(x, self.in_dim)
      input_onehot = maybe_shard(input_onehot, P("dp", None, "mp"))
  
      proj_out = self.proj(input_onehot)
  
      return proj_out
  
imports: import haiku
  import jax
  import jax.numpy
  import numpy
  from einops import rearrange, repeat
  from mesh_transformer.util import f_psum, g_psum, maybe_shard, head_print
  from jax.experimental import PartitionSpec
  from jax.experimental.maps import thread_resources
label_desc: Use image node_id 2 for calling the EmbeddingShardV2 obj's underlying member method code with example usage: obj.__call__(x, dtype) and returns: proj_out