{"action":"created","issue":{"url":"https://api.github.com/repos/vmalloc/mongomock/issues/143","labels_url":"https://api.github.com/repos/vmalloc/mongomock/issues/143/labels{/name}","comments_url":"https://api.github.com/repos/vmalloc/mongomock/issues/143/comments","events_url":"https://api.github.com/repos/vmalloc/mongomock/issues/143/events","html_url":"https://github.com/vmalloc/mongomock/pull/143","id":90166455,"number":143,"title":"Add $elemMatch return fields operator","user":{"login":"magaman384","id":2278246,"avatar_url":"https://avatars.githubusercontent.com/u/2278246?v=3","gravatar_id":"","url":"https://api.github.com/users/magaman384","html_url":"https://github.com/magaman384","followers_url":"https://api.github.com/users/magaman384/followers","following_url":"https://api.github.com/users/magaman384/following{/other_user}","gists_url":"https://api.github.com/users/magaman384/gists{/gist_id}","starred_url":"https://api.github.com/users/magaman384/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/magaman384/subscriptions","organizations_url":"https://api.github.com/users/magaman384/orgs","repos_url":"https://api.github.com/users/magaman384/repos","events_url":"https://api.github.com/users/magaman384/events{/privacy}","received_events_url":"https://api.github.com/users/magaman384/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-06-22T17:53:11Z","updated_at":"2015-07-07T08:06:18Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/vmalloc/mongomock/pulls/143","html_url":"https://github.com/vmalloc/mongomock/pull/143","diff_url":"https://github.com/vmalloc/mongomock/pull/143.diff","patch_url":"https://github.com/vmalloc/mongomock/pull/143.patch"},"body":""},"comment":{"url":"https://api.github.com/repos/vmalloc/mongomock/issues/comments/119112514","html_url":"https://github.com/vmalloc/mongomock/pull/143#issuecomment-119112514","issue_url":"https://api.github.com/repos/vmalloc/mongomock/issues/143","id":119112514,"user":{"login":"mdomke","id":686785,"avatar_url":"https://avatars.githubusercontent.com/u/686785?v=3","gravatar_id":"","url":"https://api.github.com/users/mdomke","html_url":"https://github.com/mdomke","followers_url":"https://api.github.com/users/mdomke/followers","following_url":"https://api.github.com/users/mdomke/following{/other_user}","gists_url":"https://api.github.com/users/mdomke/gists{/gist_id}","starred_url":"https://api.github.com/users/mdomke/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mdomke/subscriptions","organizations_url":"https://api.github.com/users/mdomke/orgs","repos_url":"https://api.github.com/users/mdomke/repos","events_url":"https://api.github.com/users/mdomke/events{/privacy}","received_events_url":"https://api.github.com/users/mdomke/received_events","type":"User","site_admin":false},"created_at":"2015-07-07T08:06:18Z","updated_at":"2015-07-07T08:06:18Z","body":"Yeah. As I pointed out this is because set literals are not available in Python 2.6. If Python 2.6 is still a version that needs to be supported, than you have to use the set constructor explicitly. "}}