code: def _alpha(p):
      return (2 - p) / (1 - p)
  
file_path: statsmodels/statsmodels/genmod/_tweedie_compound_poisson.py
imports: import numpy
  from scipy._lib._util import _lazywhere
  from scipy.special import gammaln
label_desc: Use image node_id 2 for calling a global function with example usage: _alpha(p) and returns: unknown