tutorial 6 notebook does not run for me

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David Braune

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May 31, 2021, 1:50:44 PM5/31/21

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I get an error at cell 9 in line "Net.add(LSTM(20,input_shape=(None,1),":

NotImplementedError: Cannot convert a symbolic Tensor (lstm/strided_slice:0) to a numpy array. This error may indicate that you're trying to pass a Tensor to a NumPy call, which is not supported

I have tensorflow-gpu 2.4.1 and numpy 1.19.5

Is this too old or too new and does anyone have any ideas how to fix this?

Timon Höß

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May 31, 2021, 2:00:13 PM5/31/21

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It appears that downgrading numpy helps. For me with 1.19.2 it now works. https://stackoverflow.com/questions/66207609/notimplementederror-cannot-convert-a-symbolic-tensor-lstm-2-strided-slice0-t

David Braune

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May 31, 2021, 2:31:37 PM5/31/21

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Thank you! That fixed it!

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