code: def correct_shape(self):
      if len(self.shape) == 1:
          return True
      return len(self.shape) == 2 and self.shape[1] == 1
  
imports: import numpy
  import tensorflow
  from autokeras.engine import analyser
label_desc: Use image node_id 1 for calling the TextAnalyser obj's underlying member method code with example usage: obj.correct_shape() and returns: unknown, True