code: def _get_model(self):
      return LogisticMatrixFactorization(
          factors=3, regularization=0, use_gpu=False, random_state=43
      )
  
imports: import unittest
  from recommender_base_test import RecommenderBaseTestMixin
  from implicit.lmf import LogisticMatrixFactorization
label_desc: Use image node_id 1 for calling the LMFTest obj's underlying member method code with example usage: obj._get_model() and returns: LogisticMatrixFactorization