code: def __call__(self, v):
      if self._eval_func and not isinstance(v, np.poly1d):
          return self._eval_func(v)
      else:
          return np.poly1d.__call__(self, v)
  
imports: import numpy
  from numpy import exp, inf, pi, sqrt, floor, sin, cos, around, hstack, arccos, arange
  from scipy import linalg
  from scipy.special import airy
  from .None import _specfun
  from .None import _ufuncs
label_desc: Use image node_id 2 for calling the orthopoly1d obj's underlying member method code with example usage: obj.__call__(v) and returns: self, np