Case T-883/16 R: Order of the President of the General Court of 21 July 2017 — Poland v Commission (Application for interim measures — Internal market in natural gas — Directive 2009/73/EC — Application by the Bundesnetzagentur for review of the exemption of the OPAL pipeline from the EU requirements for its operation — Commission decision amending the exemption from the EU requirements — Application for a stay of execution of a measure — Lack of any urgency)