def open_conn(url, name, opts) when is_binary(url), do: open_conn(URI.parse(url), name, opts)
def open_conn(%URI{} = uri, name, opts) do
def open_conn(url, name, opts) when is_binary(url), do: open_conn(URI.parse(url), name, opts)
def open_conn(%URI{} = uri, name, opts) do