code: def evaluate(self, next_step: int) -> list[float]:
      self._current_step = 1
      v = self.wfg(self._x)
      v = v.tolist()
  
      if math.isnan(v[0]) or math.isinf(v[0]):
          raise ValueError
      if math.isnan(v[1]) or math.isinf(v[1]):
          raise ValueError
      return [v[0], v[1]]
  
imports: from __future__ import annotations
  import math
  import sys
  import numpy
  import shape_functions
  import transformation_functions
  from kurobako import problem
label_desc: Use image node_id 3 for calling the WFGEvaluator obj's underlying member method code with example usage: obj.evaluate(next_step) and returns: list