def describe_signature(self, signode: TextElement, mode: str, env: 'BuildEnvironment', symbol: 'Symbol') -> None:
    signode.append(nodes.Text('(', '('))
    self.expr.describe_signature(signode, mode, env, symbol)
    signode.append(nodes.Text(')', ')'))
def describe_signature(self, signode: TextElement, mode: str, env: 'BuildEnvironment', symbol: 'Symbol') -> None:
    signode.append(nodes.Text('(', '('))
    self.expr.describe_signature(signode, mode, env, symbol)
    signode.append(nodes.Text(')', ')'))