RemovedInDjango30Warning: render_to_response() の対応
RemovedInDjango30Warning: render_to_response() の対応

メッセージ：
RemovedInDjango30Warning: render_to_response() is deprecated in favor of render(). It has the same signature except that it also requires a request.

対応：
render_to_response() を render() に差し替え

thinkAmi/dj_ringo_tabetter,thinkAmi/dj_ringo_tabetter,thinkAmi/dj_ringo_tabetter