class_docstr: linear layer
class_docstr_tok: ["linear","layer"]
code: def build(self, input_shape):
      batch, time, feat, channl = input_shape
      del batch
      self.reshape1 = tf.keras.layers.Reshape((time, feat * channl))
  
imports: import numpy
  from absl import logging
  import delta.compat
  from tensorflow.python.keras import backend
  from delta.models.base_model import Model
  from delta.layers.base_layer import Layer
  from delta import utils
  from delta.utils.register import registers
label_desc: Use image node_id 2 for calling the Linear obj's underlying member method code with example usage: obj.build(input_shape) without return types