code: def unshard_axis(x, axis_name):
      # in_shape = x.shape
      x = jax.lax.all_gather(x, axis_name)
  
      x = x.reshape((-1,) + x.shape[2:])
  
      # assert x.shape[-1] == 4096
      # print("unshard out", x.shape, "in", in_shape)
      return x
  
imports: import jax
  import jax.numpy
  from jax.experimental.pjit import with_sharding_constraint
  from optax import AdditiveWeightDecayState, GradientTransformation, OptState
label_desc: Use image node_id 19 for calling a global function with example usage: unshard_axis(x, axis_name) and returns: x