(self)
Override in subclass to insert CGI variables in 'self.environ
Override in subclass to insert CGI variables in 'self.environ
Override in subclass to insert CGI variables in self . environ
def add_cgi_vars(self):
        """Override in subclass to insert CGI variables in 'self.environ'"""
        raise NotImplementedError
def add_cgi_vars ( self ) : raise NotImplementedError