SimpleMDE  is not working in place of TextField

i am changing [textField](https://github.com/amand33p/stack-underflow/blob/master/client/src/components/AnswerForm.js#L71)  to 
[react-simplemde-editor ](https://github.com/RIP21/react-simplemde-editor).

it's not working. can you help me on this