{"number":148,"pull_request":{"title":"Fix broken Matrix.is_symbolic and Matrix.is_upper.","number":148,"commits":1,"deletions":14,"id":97736,"issue_id":690982,"additions":23},"repo":"sympy/sympy","actor":"gituliar","actor_gravatar":"3011c07eea6ed3a257e9e035e49ba8f9","action":"opened"}