Clarified loading of npz files in Python3, and also provided instruct…

…ions for converting raw .ndjson files to .npz

Clarified loading of npz files in Python3, and also provided instructions for converting raw .ndjson files to .npz

README.md

@@ -105,6 +105,10 @@ We have also provided the full data for each category, if you want to use more t
 
 - [Numpy .npz files](https://console.cloud.google.com/storage/quickdraw_dataset/sketchrnn)
 
+*Note:* For Python3, loading the `npz` files using `np.load(data_filepath, encoding='latin1', allow_pickle=True)`
+
+Instructions for converting Raw `ndjson` files to this `npz` format is available in this [notebook](https://github.com/hardmaru/quickdraw-ndjson-to-npz).
+
 ## Projects using the dataset
 Here are some projects and experiments that are using or featuring the dataset in interesting ways. Got something to add? [Let us know!](mailto:quickdraw-support@google.com)