code: def probit(mu):
      """Probit function that ensures the input is in (0, 1)"""
      mu = force_within_unit_interval(mu)
      return 2**0.5 * special.erfinv(2 * mu - 1)
  
imports: from collections import namedtuple
  import numpy
  from scipy import special
  from bambi.utils import multilinify, indentify
label_desc: Use image node_id 6 for calling a global function with example usage: probit(mu) and returns: unknown