code: def qnormal(mu, sigma, q, rng=None, size=()):
      draw = rng.normal(mu, sigma, size=size)
      return np.round(draw / q) * q
  
imports: import sys
  import numpy
  from .base import scope, as_apply, dfs, rec_eval, clone
label_desc: Use image node_id 9 for calling a global function with example usage: qnormal(mu, sigma, q, rng, size) and returns: unknown