[GSK-1702] SHAP import issue

[rabah-khalek]

See linear card for details

[linear]

GSK-1702 shap import issue

We currently make shap only a server dependency, but the installation without the server also relies on it:

!pip install "giskard>=2.0.0b" -U
import giskard

I'm getting:

----> 1 import giskard
      2 giskard.__version__

1 frames
/usr/local/lib/python3.10/dist-packages/giskard/models/model_explanation.py in <module>
      5 import numpy as np
      6 import pandas as pd
----> 7 from shap.maskers import Text
      8 from shap import KernelExplainer, Explanation, Explainer
      9 

ModuleNotFoundError: No module named 'shap'

---------------------------------------------------------------------------
NOTE: If your import is failing due to a missing package, you can
manually install dependencies using either !pip or !apt.

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Solution:

• either don’t expose explain_with_shap on a root level
• or make shap imports method-local so that it’s not imported unless you want to use it

we're going with option 2

[sonarqubecloud]

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