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Getting stuck with Safe Desktop App Tutorial for nodejs on Debian 9, Node v8.11.1, npm v5.6.0, Safe-browser 0.10.2 mock routing. First off I had to install build-essential and yarn but it now fails for me at $ npm install @maidsafe/safe-node-app --save

ERROR: [Errno 2] No such file or directory: 'run'
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @maidsafe/safe-node-app@0.8.1 postinstall: `yarn run install-prod && node install-dev-libs.js`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the @maidsafe/safe-node-app@0.8.1 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/user/.npm/_logs/2018-04-28T11_50_52_927Z-debug.log

Relevant part of the log (I think):

334 verbose pkgid @maidsafe/safe-node-app@0.8.1
335 verbose cwd /home/user/safe_examples/safe_app_electron_quick_start
336 verbose Linux 4.9.0-4-amd64
337 verbose argv "/usr/bin/node" "/usr/bin/npm" "install" "@maidsafe/safe-node-app" "--save"
338 verbose node v8.11.1
339 verbose npm  v5.6.0
340 error code ELIFECYCLE
341 error errno 1
342 error @maidsafe/safe-node-app@0.8.1 postinstall: `yarn run install-prod && node install-dev-libs.js`
342 error Exit status 1
343 error Failed at the @maidsafe/safe-node-app@0.8.1 postinstall script.
343 error This is probably not a problem with npm. There is likely additional logging output above.
344 verbose exit [ 1, true ]

Any ideas?