docstr: Test creating a model using an empty input; should fail.
docstr_tok: ["Test","creating","a","model","using","an","empty","input",";","should","fail","."]
code: def test_empty_fail(self):
      """Test creating a model using an empty input; should fail."""
      self.assertRaises(
          ValueError,
          logentropy_model.LogEntropyModel,
          corpus=self.corpus_empty,
      )
  
file_path: gensim/gensim/test/test_logentropy_model.py
imports: import logging
  import unittest
  import numpy
  from gensim.corpora.mmcorpus import MmCorpus
  from gensim.models import logentropy_model
  from gensim.test.utils import datapath, get_tmpfile
label_desc: Use image node_id 3 for calling the TestLogEntropyModel obj's underlying member method code with example usage: obj.test_empty_fail() without return types