access_token <- List.keyfind(params, "access_token", 0),
{_, stream} <- List.keyfind(params, "stream", 0),
{:ok, user} <- allow_request(stream, access_token),
topic when is_binary(topic) <- expand_topic(stream, params) do
access_token <- List.keyfind(params, "access_token", 0),
{_, stream} <- List.keyfind(params, "stream", 0),
{:ok, user} <- allow_request(stream, access_token),
topic when is_binary(topic) <- expand_topic(stream, params) do