code: def __repr__(self):
      message = f"(weights, factors) : rank-{self.rank} CPTensor of shape {self.shape}"
      return message
  
imports: from .None import backend
  from .base import fold, tensor_to_vec
  from ._factorized_tensor import FactorizedTensor
  from .tenalg import khatri_rao, unfolding_dot_khatri_rao
  from .metrics.factors import congruence_coefficient
  import numpy
label_desc: Use image node_id 6 for calling the CPTensor obj's underlying member method code with example usage: obj.__repr__() and returns: message