{"comment":{"url":"https://api.github.com/repos/bcipolli/NN-Research/comments/9432217","html_url":"https://github.com/bcipolli/NN-Research/commit/f3e142f5a10be02b4566528c75dd3db3b7c8fda0#commitcomment-9432217","id":9432217,"user":{"login":"bcipolli","id":4072455,"avatar_url":"https://avatars.githubusercontent.com/u/4072455?v=3","gravatar_id":"","url":"https://api.github.com/users/bcipolli","html_url":"https://github.com/bcipolli","followers_url":"https://api.github.com/users/bcipolli/followers","following_url":"https://api.github.com/users/bcipolli/following{/other_user}","gists_url":"https://api.github.com/users/bcipolli/gists{/gist_id}","starred_url":"https://api.github.com/users/bcipolli/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bcipolli/subscriptions","organizations_url":"https://api.github.com/users/bcipolli/orgs","repos_url":"https://api.github.com/users/bcipolli/repos","events_url":"https://api.github.com/users/bcipolli/events{/privacy}","received_events_url":"https://api.github.com/users/bcipolli/received_events","type":"User","site_admin":false},"position":45,"line":95,"path":"sparserf_autoencoder.py","commit_id":"f3e142f5a10be02b4566528c75dd3db3b7c8fda0","created_at":"2015-01-25T16:13:22Z","updated_at":"2015-01-25T16:13:22Z","body":"Without adding this line, I didn't see the bug above exposed.  With a super class that you didn't write, never assume you know that it's returning--always make sure to call it and return whatever it gives you (even if it is `None`)."}}