我已将tensorboard升级到2.1.1，并在打开Anaconda提示符时收到以下错误。
2020-03-11 19:16:44.818626: I tensorflow/stream_executor/platform/default/dso_loader.cc:44] Successfully opened dynamic library cudart64_101.dll
usage: tensorboard [-h] [--helpfull] {serve,dev} ...
tensorboard: error: invalid choice: 'shell.cmd.exe' (choose from 'serve', 'dev')
C:\Users\xxxxxx>