Image can't render as expected
_I am a PD from china, I use react-sketch to draw product prototype_

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| Reporting a bug or issue
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**Expected behavior:** 
render image based on given uri

**Observed behavior:**
render nothing

**How to reproduce:** 
just cd react-sketchapp/examples/emotion && npm install && npm run render

**Sketch version:** 
60.1

**Please attach screenshots, a zip file of your project, and/or a link to your github project**
![image](https://user-images.githubusercontent.com/5205912/69932127-d4a72e00-1504-11ea-9c9b-86c6c72c021d.png)

