returning the salamanders last date

api/endpoints/salamanders.py

@@ -21,8 +21,10 @@ class SalamandersEndpoint(Resource):
                 if salamanders:
                     salamander_list = []
                     for salamander in salamanders:
-                        growth = db.session.query(SalamanderGrowth).filter_by(salamander_id=salamander.id).all()
-                        ret = {"id": salamander.id, "sex": salamander.sex, "individuals": len(growth), "species": salamander.species, "date": salamander.last_date}
+                        number_of_images = db.session.query(SalamanderGrowth).filter_by(salamander_id=salamander.id).all()
+                        last_date = db.session.query(SalamanderGrowth).filter_by(salamander_id=salamander.id).order_by(SalamanderGrowth.date.desc()).first()
+                        print(last_date)
+                        ret = {"id": salamander.id, "sex": salamander.sex, "individuals": len(number_of_images), "species": salamander.species, "date": last_date.date}
                         salamander_list.append(ret)
                     return jsonify({"salamanders": salamander_list, 'status': 200})
                 else: