Catboost kills python instance if Pool get data=None #2522
Description
Problem:
Python instance dies if Pool get data=None. It raises Fatal Python error: Segmentation fault on Ubuntu and similar error on WIndows 10.
import numpy as np
from catboost import CatBoostRegressor, Pool
CatBoostRegressor(verbose=0).fit(Pool(data=None, label=np.random.rand(1000)))
catboost version: tested on 1.2.1, 1.2.2
Operating System: tested on Windows 10 (both 22H1 and 22H2), Ubuntu 22.04.3
CPU: no info
GPU: no info