code: def header(self):
          '''Generate the CSV header row'''
          return (super(NestedAdapter, self).header() +
                  [name for name, getter in self.get_nested_fields()]f header(self):
          '''Generate the CSV header row'''
          return (super(NestedAdapter, self).header() +
                  [name for name, getter in self.get_nested_fields()])
docs: Generate the CSV header row