安装rasa时遇到 Could not find a version that satisfies the requirement tensoflow ~=1.13.0(from rasa_core)

安装rasa时遇到 Could not find a version that satisfies the requirement tensoflow ~=1.13.0(from rasa_core),怎么解决

你是不是安装了 tf2.0，而这个库需要 tf1.13