code: def test_mutInverstion_size_zero_chromosome_returns_unchanged_chromosome_in_tuple(
      self,
  ):
      chromosome = []
      expected = []
      self.assertEqual((expected,), mutInversion(chromosome))
  
file_path: deap/tests/test_mutation.py
imports: import unittest
  from unittest import mock
  from deap.tools.mutation import mutInversion
label_desc: Use image node_id 1 for calling the MutationTest obj's underlying member method code with example usage: obj.test_mutInverstion_size_zero_chromosome_returns_unchanged_chromosome_in_tuple() without return types