code: def test_empath_not_presesnt(self):
      sys.modules["empath"] = None
      if sys.version_info.major == 3:
          with self.assertRaisesRegex(
              Exception,
              "Please install the empath library to use FeatsFromSpacyDocAndEmpath.",
          ):
              FeatsFromSpacyDocAndEmpath()
      else:
          with self.assertRaises(Exception):
              FeatsFromSpacyDocAndEmpath()
  
file_path: scattertext/scattertext/test/test_featsFromSpacyDocAndEmpath.py
imports: import sys
  from collections import Counter
  from unittest import TestCase
  from unittest.mock import Mock
  from scattertext import whitespace_nlp
  from scattertext.features.FeatsFromOnlyEmpath import FeatsFromOnlyEmpath
  from scattertext.features.FeatsFromSpacyDocAndEmpath import FeatsFromSpacyDocAndEmpath
label_desc: Use image node_id 2 for calling the TestFeatsFromOnlyEmpath obj's underlying member method code with example usage: obj.test_empath_not_presesnt() without return types