[BUG] Review LigthFM notebook and do test

[miguelgfierro]

Description

We don't have tests for LgithFM and there is an issue reported: #1651 (comment)

In which platform does it happen?

How do we replicate the issue?

Expected behavior (i.e. solution)

Other Comments

[SafetyMary]

In which platform does it happen?
Jupiter lab

How do we replicate the issue?
running the lightFM quick start notebook
https://github.com/microsoft/recommenders/blob/main/examples/02_model_hybrid/lightfm_deep_dive.ipynb

got the error on

with Timer() as test_time:
all_predictions = prepare_all_predictions(data, uid_map, iid_map,
interactions=train_interactions,
model=model1,
num_threads=NO_THREADS)

TypeError: Invalid type passed to user_ids parameter. This must be either int or np.int32 array. Type received: <class 'numpy.int64'>

System version: 3.8.13 (default, Mar 28 2022, 06:59:08) [MSC v.1916 64 bit (AMD64)]
LightFM version: 1.16

[miguelgfierro]

@SafetyMary I checked and it is working in staging. Please do this in the root folder:

git checkout staging
git pull origin staging
pip install -e .[dev,examples]