Layer model_1 expects 1 input(s), but it received 2 input tensors

[nicolasthedev]

I'm trying to convert the code into python3 and eras 2.6.0 and getting this error.

ValueError: Layer model_1 expects 1 input(s), but it received 2 input tensors. Inputs received: [<tf.Tensor 'IteratorGetNext:0' shape=(32, 28, 28) dtype=uint8>, <tf.Tensor 'ExpandDims:0' shape=(32, 1) dtype=uint8>]