code: def install(self):
          '''
          Use pip to install the requirements file.
          '''
          remote_path = os.path.join(self.venv, 'requirements.txt')
          put(self.requirements, remote_path)
          run('{pip} install -r {requirements}'.format(
              pip=self.pip(), requirements=remote_path)f install(self):
          '''
          Use pip to install the requirements file.
          '''
          remote_path = os.path.join(self.venv, 'requirements.txt')
          put(self.requirements, remote_path)
          run('{pip} install -r {requirements}'.format(
              pip=self.pip(), requirements=remote_path))
docs: Use pip to install the requirements file.