code: def predict(self, x=None):
      return self.prediction_cache
  
imports: import abc
  from typing import Dict
  import numpy
  from sklearn.base import BaseEstimator
  from lightwood.analysis.nc.util import t_softmax
label_desc: Use image node_id 3 for calling the CachedTSAdapter obj's underlying member method code with example usage: obj.predict(x) and returns: self