Amphtml: Can't run gulp on master

[gmajoulet]

Running gulp on master fails:

/usr/local/google/home/gmajoulet/amphtml/build/video-autoplay.css:16
i-amphtml-video-mask {
                     ^
ParseError: Unexpected token

[lannka]

@gmajoulet did you try gulp clean?

[lannka]

should be fixable by a gulp clean
closing now unless someone else had same issue

[eduardogoncalves]

@lannka I had same issue, but solved running gulp clean

 gulp
[09:45:50] Using gulpfile ~/Documents/Developer/Personal/amphtml/gulpfile.js
[09:45:50] Starting 'default'...
[09:45:50] Starting 'watch'...
[09:45:50] All packages in node_modules are up to date.
[09:45:50] Running watch. Press Ctrl + C to cancel...
[09:45:50] Building version 1906221340570 of the runtime for local testing with the prod AMP config.
[09:45:50] ⤷ Use --config={canary|prod} with your gulp watch command to specify which config to apply.
[09:45:50] Building all AMP extensions.
[09:45:50] ⤷ Use --noextensions to skip building extensions.
[09:45:50] ⤷ Use --extensions=amp-foo,amp-bar to choose which extensions to build.
[09:45:50] ⤷ Use --extensions=minimal_set to build just the extensions needed to load article.amp.html.
[09:45:50] ⤷ Use --extensions_from=examples/foo.amp.html to build extensions from example docs.
[09:45:52] Recompiled all CSS files into build/ (2.107 s)
[09:45:53] Processed 3p/nameframe.max.html (620 ms)
[09:45:53] Processed 3p/frame.max.html (624 ms)
[09:45:53] Processed 3p/recaptcha.max.html (620 ms)
[09:45:59] Compiled examiner.max.js (4.676 s)

/Users/eduardogoncalves/Documents/Developer/Personal/amphtml/build/video-autoplay.css:16
i-amphtml-video-mask {
                     ^
ParseError: Unexpected token
[09:47:14] The following tasks did not complete: default, watch
[09:47:14] Did you forget to signal async completion?