code: def row_stack(tup):
      if len(ivy.shape(tup[0])) == 1:
          xs = []
          for t in tup:
              xs += [ivy.reshape(t, (1, ivy.shape(t)[0]))]
          return ivy.concat(xs, axis=0)
      return ivy.concat(tup, axis=0)
  
imports: import ivy
  from ivy.functional.frontends.jax.func_wrapper import to_ivy_arrays_and_back, handle_jax_dtype
  from ivy.functional.frontends.jax.numpy import promote_types_of_jax_inputs
label_desc: Use image node_id 34 for calling a global function with example usage: row_stack(tup) and returns: ivy, ivy