code: def grad_beta_logpdf_arg0(x, a, b):
      return (1 + a * (x - 1) + x * (b - 2)) / (x * (x - 1))
  
file_path: autograd/autograd/scipy/stats/beta.py
imports: from __future__ import absolute_import
  import autograd.numpy
  import scipy.stats
  from autograd.extend import primitive, defvjp
  from autograd.numpy.numpy_vjps import unbroadcast_f
  from autograd.scipy.special import beta, psi
label_desc: Use image node_id 1 for calling a global function with example usage: grad_beta_logpdf_arg0(x, a, b) and returns: unknown