old_contents: #!/usr/bin/env python
  
  import unittest
  from gopro import GoPro
  
  
  class TestGoPro(unittest.TestCase):
      def setUp(self):
          # TODO
          pass
  
      def test_camera_init(self):
          # initialize a camera object
          camera = GoPro('password')
  
new_contents: #!/usr/bin/env python
  
  import unittest
  from gopro import GoPro
  
  
  class TestGoPro(unittest.TestCase):
      def setUp(self):
          # TODO
          pass
  
      def test_camera_init(self):
          # initialize a camera object
          camera = GoPro('password')
          self.assertTrue(camera is not None)
  
subject: Fix flake8 error