code: def upgrade(self, package):
          '''Update a python package using pip'''
  
          logger.debug('Upgrading ' + package)
          shell.run(self.pip_path, 'install', '--upgrade', '--no-deps', package)
          shell.run(self.pip_path, 'install', packagef upgrade(self, package):
          '''Update a python package using pip'''
  
          logger.debug('Upgrading ' + package)
          shell.run(self.pip_path, 'install', '--upgrade', '--no-deps', package)
          shell.run(self.pip_path, 'install', package)
docs: Update a python package using pip