docstr: Test if error messages raised on unsupported norm
docstr_tok: ["Test","if","error","messages","raised","on","unsupported","norm"]
code: def test_init(self):
      """Test if error messages raised on unsupported norm"""
      self.assertRaises(
          ValueError, normmodel.NormModel, self.corpus, "l0"
      )
  
imports: import logging
  import unittest
  import numpy
  from scipy.sparse import csr_matrix
  from scipy.sparse import issparse
  from gensim.corpora import mmcorpus
  from gensim.models import normmodel
  from gensim.test.utils import datapath, get_tmpfile
label_desc: Use image node_id 8 for calling the TestNormModel obj's underlying member method code with example usage: obj.test_init() without return types