old_contents: import pluct
  
  functions = pluct.resource('http://localhost:8100').rel('functions')
  
  code = '''
  function main (x, callback) {
      var result = x * 10;
      callback(null, {marcos: result});
  };
  '''
  
  new_code = functions.rel('update',
            params={'id': 'my-code', 'namespace': 'backstage'},
            data={'code': code})
  
  result = functions.rel(
      'run',
      params={'id': 'my-code', 'namespace': 'backstage'},
      data={
          'args': [
              {
                  'resource': {
                      'name': 'Marcos',
                  },
              },
          ]
      }
  )
  print(result)
  
new_contents: import pluct
  
  functions = pluct.resource('http://localhost:8100').rel('functions')
  
  code = '''
  function main (x, callback) {
      var result = x * 10;
      callback(null, {marcos: result});
  };
  '''
  
  new_code = functions.rel('update',
                           params={'id': 'my-code', 'namespace': 'backstage'},
                           data={'code': code})
  
  result = functions.rel(
      'run',
      params={'id': 'my-code', 'namespace': 'backstage'},
      data={
          'args': [
              {
                  'resource': {
                      'name': 'Marcos',
                  },
              },
          ]
      }
  )
  print(result)
  
subject: Fix PEP8 E128