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