code: def test_algebraic_log_weight(self):
      # 6) Algebraic-logarithmic weight.
      def myfunc(x, a):
          return 1 / (1 + x + 2 ** (-a))
  
      a = 1.5
      assert_quad(
          quad(myfunc, -1, 1, args=a, weight="alg", wvar=(-0.5, -0.5)),
          pi / sqrt((1 + 2 ** (-a)) ** 2 - 1),
      )
  
imports: import sys
  import math
  import numpy
  from numpy import sqrt, cos, sin, arctan, exp, log, pi
  from numpy.testing import assert_, assert_allclose, assert_array_less, assert_almost_equal
  import pytest
  from scipy.integrate import quad, dblquad, tplquad, nquad
  from scipy.special import erf, erfc
  from scipy._lib._ccallback import LowLevelCallable
  import ctypes
  import ctypes.util
  from scipy._lib._ccallback_c import sine_ctypes
  import scipy.integrate._test_multivariate
label_desc: Use image node_id 7 for calling the TestQuad obj's underlying member method code with example usage: obj.test_algebraic_log_weight() and returns: unknown