Error: Command failed: git checkout -b unibeautify/pull-request-97 8.2.x
fatal: '8.2.x' is not a commit and a branch 'unibeautify/pull-request-97' cannot be created from it

    at ChildProcess.exithandler (child_process.js:308:12)
    at ChildProcess.emit (events.js:314:20)
    at maybeClose (internal/child_process.js:1022:16)
    at Socket.<anonymous> (internal/child_process.js:444:11)
    at Socket.emit (events.js:314:20)
    at Pipe.<anonymous> (net.js:675:12)