### Keras fails after upgrade

Since this might be helpful to others, I finally chased down the source of this error. There’s an incompatibility between the lambda-stack versions of tensorflow and Keras, but tensorflow includes its own keras module which can be used instead. So I changed all my imports that originally looked like this:

```python
import keras
```

to:

```python
from tensorflow import keras
```

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### Keras fails after upgrade

Hi, I recently reinstalled everything on a Lambda workstation, to upgrade to Ubuntu 20.04 and installed the latest lambda-stack. But I’ve discovered that my Keras models no longer work, failing with `AttributeError: module 'tensorflow.python.framework.ops' has no attribute '_TensorLike'.` Since that...