code: def ChiSquared(k, tag=None):
      
      assert int(k) == k and k >= 1, 'Chi-Squared "k" must be an integer greater than 0'
      return uv(ss.chi2(k), tag=tag)
docs: A Chi-Squared random variate
      
      Parameters
      ----------
      k : int
          The degrees of freedom of the distribution (must be greater than one)