错误加载MySQLdb模块:这是MySQLdb版本(1,2,5，'final'， 1)，但是_mysql是版本(1,2,4，'beta'， 4)?

I am trying to deploy a Django sample project with Google App Engine. It's throwing the error mentioned in the question title. Locally the app running well. In requirements.txt I changed the mysql-python version to 1.2.4 and 1.2.5 both didn't work. I am getting 500 Error. I checked many answers to this same question on SO but nothing seems to be working.I am trying to deploy a Django sample project w