% In context of the Sphinx TikZ extension we can not use the specific
% drawstack environment here and have to encapsulate it into a standard
% tikzpicture environment --> write the full declaration with \stacktop{}
% at the beginning and \stackbottom{} on the end.
\begin{tikzpicture}[x=0.7cm,y=0.7cm]
\stacktop{} % do not remove
%%  now we on \begin{drawstack}
%%  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

    \small

    \cell{\scriptsize Uninteresting cell}
    \cell{Interesting cell} \cellround{Yes, this one!}

%%  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  now we into \end{drawstack}
\stackbottom{} % do not remove
\end{tikzpicture}

%Local variables:
% coding: utf-8
% mode: text
% mode: rst
% End:
% vim: fileencoding=utf-8 filetype=tex :