By: Trevor Chartrand In this feature directorial debut of Thyrone Tommy, Learn to Swim focuses on the failing relationship between a stubborn jazz saxophone player Dezi (Thomas Antony Olajide) and an up-and-coming singer, Selma (Emma Ferreira).  The film plays with time and takes place both before and after the relationship has failed.  I hesitate to compare the film to 2009’s 500 Days of Summer, simply because Learn to Swim takes a much more sophisticated, and…