code: def setUp(self):
      dist = Distribution()
      self.cmd = MyCmd(dist)
  
imports: import unittest
  import os
  from test.test_support import captured_stdout, run_unittest
  from distutils.cmd import Command
  from distutils.dist import Distribution
  from distutils.errors import DistutilsOptionError
  from distutils import debug
label_desc: Use image node_id 1 for calling the CommandTestCase obj's underlying member method code with example usage: obj.setUp() without return types