<h3 dir="auto">Version</h3>
<ul dir="auto">
<li>Superset 0.18.5</li>
<li>npm node v6.10.0</li>
<li>npm verb npm  v5.3.0</li>
</ul>
<h3 dir="auto">Problem</h3>
<p dir="auto">executing script "./static/assets/js_build.sh" failed</p>
<h3 dir="auto">Log file</h3>
<p dir="auto">npm verb type version<br>
npm verb stack gulp-sourcemaps: No matching version found for gulp-sourcemaps@1.7.0<br>
npm verb stack     at pickManifest (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/pacote/node_modules/npm-pick-manifest/index.js:61:11)<br>
npm verb stack     at fetchPackument.then.packument (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/pacote/lib/fetchers/registry/manifest.js:51:18)<br>
npm verb stack     at tryCatcher (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/bluebird/js/release/util.js:16:23)<br>
npm verb stack     at Promise._settlePromiseFromHandler (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/bluebird/js/release/promise.js:512:31)<br>
npm verb stack     at Promise._settlePromise (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/bluebird/js/release/promise.js:569:18)<br>
npm verb stack     at Promise._settlePromise0 (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/bluebird/js/release/promise.js:614:10)<br>
npm verb stack     at Promise._settlePromises (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/bluebird/js/release/promise.js:693:18)<br>
npm verb stack     at Async._drainQueue (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/bluebird/js/release/async.js:133:16)<br>
npm verb stack     at Async._drainQueues (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/bluebird/js/release/async.js:143:10)<br>
npm verb stack     at Immediate.Async.drainQueues (/home/liuxiangwei/.jumbo/opt/nodejs-bin/lib/node_modules/npm/node_modules/bluebird/js/release/async.js:17:14)<br>
npm verb stack     at runCallback (timers.js:651:20)<br>
npm verb stack     at tryOnImmediate (timers.js:624:5)<br>
npm verb stack     at processImmediate [as _immediateCallback] (timers.js:596:5)<br>
npm verb cwd /home/liuxiangwei/.jumbo/lib/python2.7/site-packages/superset-0.18.5-py2.7.egg/superset/static/assets<br>
npm verb Linux 2.6.32_1-14-0-0</p>
<p dir="auto">Make sure these boxes are checked before submitting your issue - thank you!</p>
<ul dir="auto">
<li>[ * ] I have checked the superset logs for python stacktraces and included it here as text if any</li>
<li>[ * ] I have reproduced the issue with at least the latest released version of superset</li>
<li>[ * ] I have checked the issue tracker for the same issue and I haven't found one similar</li>
</ul>
<h3 dir="auto">Superset version</h3>
<p dir="auto">Latest HEAD</p>
<h3 dir="auto">Expected results</h3>
<p dir="auto">npm install would install superset</p>
<h3 dir="auto">Actual results</h3>
<p dir="auto">npm ERR! fetch failed <a href="https://registry.npmjs.org/gulp-sourcemaps/-/gulp-sourcemaps-1.7.0.tgz" rel="nofollow">https://registry.npmjs.org/gulp-sourcemaps/-/gulp-sourcemaps-1.7.0.tgz</a></p>
<h3 dir="auto">Steps to reproduce</h3>
<p dir="auto">clone repository<br>
<code class="notranslate">cd incubator-superset/superset/assets</code><br>
<code class="notranslate">npm install</code></p>