Failed to read the 'localStorage'

[ligi]

when opening https://playproject.io/play-ed/

I am getting this in the console:

Uncaught DOMException: Failed to read the 'localStorage' property from 'Window': Access is denied for this document.
    at playeditor (https://ethereum-play.github.io/editor-solidity/bundle.js:56537:16)
    at Object./home/ninabreznik/Documents/code/ethereum/play/play-ed/demo/demo.js.../ (https://ethereum-play.github.io/editor-solidity/bundle.js:22:3)
    at o (https://ethereum-play.github.io/editor-solidity/bundle.js:1:265)
    at r (https://ethereum-play.github.io/editor-solidity/bundle.js:1:431)
    at https://ethereum-play.github.io/editor-solidity/bundle.js:1:460
bundle.js:56459 Uncaught (in promise) DOMException: Failed to read the 'localStorage' property from 'Window': Access is denied for this document.
    at https://ethereum-play.github.io/editor-solidity/bundle.js:56459:3
    at Object./home/ninabreznik/Documents/code/ethereum/play/play-ed/src/editor-solidity.js../theme.js (https://ethereum-play.github.io/editor-solidity/bundle.js:56464:3)
    at o (https://ethereum-play.github.io/editor-solidity/bundle.js:1:265)
    at https://ethereum-play.github.io/editor-solidity/bundle.js:1:316
    at Object./home/ninabreznik/Documents/code/ethereum/play/play-ed/demo/demo.js.../ (https://ethereum-play.github.io/editor-solidity/bundle.js:2:24)
    at o (https://ethereum-play.github.io/editor-solidity/bundle.js:1:265)
    at r (https://ethereum-play.github.io/editor-solidity/bundle.js:1:431)
    at https://ethereum-play.github.io/editor-solidity/bundle.js:1:460

happens with brave.