code: def __create_point_comparator(self, type_point):
          
          if type_point == numpy.ndarray:
              return lambda obj1, obj2: numpy.array_equal(obj1, obj2)
  
          return lambda obj1, obj2: obj1 == obj2
docs: !
          @brief Create point comparator.
          @details In case of numpy.array specific comparator is required.
  
          @param[in] type_point (data_type): Type of point that is stored in KD-node.
  
          @return (callable) Callable point comparator to compare to points.