Course 5 Week 1 Assignment 1 (Jazz) Exercise 1 'NoneType' object has no attribute 'append'

I have been stuck for hours. Please suggest what should I change.


AttributeError Traceback (most recent call last)
in
----> 1 model = djmodel(Tx=30, LSTM_cell=LSTM_cell, densor=densor, reshaper=reshaper)

in djmodel(Tx, LSTM_cell, densor, reshaper)
52 print(out)
53 # Step 2.E: add the output to “outputs”
—> 54 outputs = outputs.append(out)
55 print(outputs)
56

AttributeError: ‘NoneType’ object has no attribute ‘append’


Here is a.shape, out, outputs, printed respectively.
(None, 64)
Tensor(“dense_1/Softmax_19:0”, shape=(None, 90), dtype=float32)
None

1 Like

Hi @WuSM,

I have moved this post to the DLS Course 5 category as other learners taking the same course might benefit from this.

Kindly make sure if you have any course-specific queries, explore the specialization category and post in the relevant course subcategory as course-specific mentors are actively answering the queries there. The General Discussions category is not monitored by our mentors.

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Happy Learning!!
Sharob

Did you initialize the outputs variable to an empty array?

Yes, I did initialize outputs to .

It works fine after removing ‘outputs =’ from outputs.append(out) line.