old_contents: import betamax
  import github3
  import os
  import sys
  import unittest
  
  
  class IntegrationHelper(unittest.TestCase):
      def setUp(self):
          self.user = os.environ.get('GH_USER', 'foo')
          self.password = os.environ.get('GH_PASSWORD', 'bar')
          self.token = os.environ.get('GH_AUTH', 'x' * 20)
          self.gh = github3.GitHub()
          self.session = self.gh._session
          self.recorder = betamax.Betamax(self.session)
  
      def token_login(self):
          self.gh.login(token=self.token)
  
      def basic_login(self):
          self.gh.login(self.user, self.password)
  
      def cassette_name(self, method):
          class_name = self.described_class
          return '_'.join([class_name, method])
  
      @property
      def described_class(self):
          class_name = self.__class__.__name__
          return class_name[4:]
  
new_contents: import betamax
  import github3
  import os
  import unittest
  
  
  class IntegrationHelper(unittest.TestCase):
      def setUp(self):
          self.user = os.environ.get('GH_USER', 'foo')
          self.password = os.environ.get('GH_PASSWORD', 'bar')
          self.token = os.environ.get('GH_AUTH', 'x' * 20)
          self.gh = github3.GitHub()
          self.session = self.gh._session
          self.recorder = betamax.Betamax(self.session)
  
      def token_login(self):
          self.gh.login(token=self.token)
  
      def basic_login(self):
          self.gh.login(self.user, self.password)
  
      def cassette_name(self, method):
          class_name = self.described_class
          return '_'.join([class_name, method])
  
      @property
      def described_class(self):
          class_name = self.__class__.__name__
          return class_name[4:]
  
subject: Remove unused import