@app.route('/upsala', methods=['POST'])
def update_sala():
    conn = pymysql.connect()
    cursor = conn.cursor()
    try:
        _json = request.json
        _id_salas = _json['id_salas']
        _id_campus = _json['id_campus']
        _numero = _json['numero']
        if _id_salas and _id_campus and _numero and request.method == 'POST':
            sql = "UPDATE salas SET id_campus=%s, numero=%s WHERE id_salas=%s"
            data = (_id_salas, _id_campus, _numero)
            cursor.execute(sql, data)
            conn.commit()
            resp = jsonify('User updated successfully!')
            resp.status_code = 200
            return resp
        else:
            return not_found()
    except Exception as e:
        print(e)
    finally:
        cursor.close()
        conn.close()
        return '200-OK'