code: def update_wiki(self, wiki_id, extra_request_params={}):
          
          request_params = extra_request_params
          return self.do("PATCH", "wikis/{wiki_id}", url_params={"wiki_id": wiki_id}, request_params=request_params)
docs: client = BacklogClient("your_space_name", "your_api_key")
          client.update_wiki(3, {"name": "test", "content": "content test", "mailNotify": "true"})