npm install gulp
Revert to the buggy package
npm install gulp
npm install gulp
npm install gulp

(yes, 3 time install gulp and always different)
npm install gulp 4th time
npm install gulp 5th time
npm install gulp 6th time
npm install gulp 7th time
npm install gulp 8th time
npm install gulp 9th time
npm install gulp 10th time - we can see that something always changes with gulp