code: def freeze(self):
          '''
          Use pip to freeze the requirements and save them to the local
          requirements.txt file.
          '''
          remote_path = os.path.join(self.venv, 'requirements.txt')
          run('{} freeze > {}'.format(self.pip(), remote_path))
          get(remote_path, self.requirementsf freeze(self):
          '''
          Use pip to freeze the requirements and save them to the local
          requirements.txt file.
          '''
          remote_path = os.path.join(self.venv, 'requirements.txt')
          run('{} freeze > {}'.format(self.pip(), remote_path))
          get(remote_path, self.requirements)
docs: Use pip to freeze the requirements and save them to the local
          requirements.txt file.