code: def qvk_proj(self, x):
      q = self.q(x).reshape(
          x.shape[:-1] + (self.heads_per_shard, self.dim_per_head)
      )
      v = self.v(x).reshape(
          x.shape[:-1] + (self.heads_per_shard, self.dim_per_head)
      )
      k = self.k(x).reshape(
          x.shape[:-1] + (self.heads_per_shard, self.dim_per_head)
      )
  
      return q, v, k
  
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 4 for calling the TransformerLayerShard obj's underlying member method code with example usage: obj.qvk_proj(x) and returns: q,  v,  k