ice.py
def add_header(self, name, value):
        """Add an HTTP header to response object.

        Arguments:
          name (str): HTTP header field name
          value (str): HTTP header field value
        """
        if value is not None:
            self._headers.append((name, value))
def add_header(self, name, value):
        """Add an HTTP header to response object.

        Arguments:
          name (str): HTTP header field name
          value (str): HTTP header field value
        """
        if value is not None:
            self._headers.append((name, value))
Add an HTTP header to response object.

        Arguments:
          name (str): HTTP header field name
          value (str): HTTP header field value