code: def init_variables(self, din: int, rngs: nnx.Rngs):
      key = rngs.params()
      self.w = nnx.Param(random.uniform(key, (din, self.dout)))
      self.b = nnx.Param(jnp.zeros((self.dout,)))
  
imports: import typing
  import jax
  import jax.numpy
  from jax import random
  from flax.experimental import nnx
label_desc: Use image node_id 5 for calling the Linear obj's underlying member method code with example usage: obj.init_variables(din, rngs) without return types