Field pickup_datetime does not exists

File:
https://github.com/GoogleCloudPlatform/training-data-analyst/blob/master/courses/machine_learning/deepdive2/feature_engineering/labs/4_keras_adv_feat_eng-lab.ipynb

```
/opt/conda/lib/python3.7/site-packages/tensorflow/python/keras/engine/functional.py:543: UserWarning: Input dict contained keys ['pickup_datetime'] which did not match any model input. They will be ignored by the model.
[n for n in tensors.keys() if n not in ref_input_names])
```

The files are copied via
`!gsutil cp gs://cloud-training-demos/feat_eng/data/*.csv ../data` and looking at the files they don't have that field.
So either the data needs to be fixed or the module