code: def post(self, path, params=None, timeout=None, event_timeout=None):
          
          future = self.post_async(path, params)
          self.wait_all_futures(
              future, timeout=timeout, event_timeout=event_timeout)
          return future.result()
docs: Synchronously calls a method
  
          Args:
              path (list): The path to post to
              params (dict): parameters for the call
              timeout (float): time in seconds to wait for responses, wait
                  forever if None
              event_timeout: maximum time in seconds to wait between each response
                  event, wait forever if None
  
          Returns:
              the result from 'method'