code: def app_uninstall(self, package_name, keep_data=False):
          
          if keep_data:
              return self.run_cmd('uninstall', '-k', package_name)
          else:
              return self.run_cmd('uninstall', package_name)
docs: Uninstall package
  
          Args:
              - package_name(string): package name ex: com.example.demo
              - keep_data(bool): keep the data and cache directories