I tried to run this example, but got an error when I deleted the image

Now I know why.
I installed the latest version of draft-js, which caused this problem. Now I reinstall the version of draft-js to 0.10.5, it work.
But this is still a potential problem, I hope it can be fixed.
The dependency to draft-js should be "draft-js": "~0.10.5", instead of "draft-js": "^0.10.5",. The new 0.11.0 release breaks this package.
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Most helpful comment
The dependency to draft-js should be
"draft-js": "~0.10.5",instead of"draft-js": "^0.10.5",. The new0.11.0release breaks this package.