使用pyopengl时，窗口标题出现TypeError的错误，查看StackOverflow得知，传入的是字符串类型需要改为如下形式：
wintitle = b"Yixn for PyOpengl"
glutCreateWindow(wintitle)Basically you need to specify that you are passing byte data rather than a string using b‘Window Title‘
PyOpenGL TypeError in glutCreateWindow
原文：https://www.cnblogs.com/structurer/p/11548638.html