code: def _debyem1_expansion(x):
      """Debye function minus 1, Taylor series approximation around zero
  
      function is not used
      """
      x = np.asarray(x)
      # Expansion derived using Wolfram alpha
      dm1 = (
          -x / 4
          + x**2 / 36
          - x**4 / 3600
          + x**6 / 211680
          - x**8 / 10886400
          + x**10 / 526901760
          - x**12 * 691 / 16999766784000
      )
      return dm1
  
imports: import sys
  import numpy
  from scipy import stats, integrate, optimize
  from .None import transforms
  from .copulas import Copula
  from statsmodels.tools.rng_qrng import check_random_state
label_desc: Use image node_id 2 for calling a global function with example usage: _debyem1_expansion(x) and returns: dm1