{"action":"opened","issue":{"url":"https://api.github.com/repos/home-assistant/home-assistant/issues/3850","repository_url":"https://api.github.com/repos/home-assistant/home-assistant","labels_url":"https://api.github.com/repos/home-assistant/home-assistant/issues/3850/labels{/name}","comments_url":"https://api.github.com/repos/home-assistant/home-assistant/issues/3850/comments","events_url":"https://api.github.com/repos/home-assistant/home-assistant/issues/3850/events","html_url":"https://github.com/home-assistant/home-assistant/issues/3850","id":182687937,"number":3850,"title":"nested device_tracker groups in gui crash","user":{"login":"rbflurry","id":22154114,"avatar_url":"https://avatars.githubusercontent.com/u/22154114?v=3","gravatar_id":"","url":"https://api.github.com/users/rbflurry","html_url":"https://github.com/rbflurry","followers_url":"https://api.github.com/users/rbflurry/followers","following_url":"https://api.github.com/users/rbflurry/following{/other_user}","gists_url":"https://api.github.com/users/rbflurry/gists{/gist_id}","starred_url":"https://api.github.com/users/rbflurry/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rbflurry/subscriptions","organizations_url":"https://api.github.com/users/rbflurry/orgs","repos_url":"https://api.github.com/users/rbflurry/repos","events_url":"https://api.github.com/users/rbflurry/events{/privacy}","received_events_url":"https://api.github.com/users/rbflurry/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-10-13T03:39:49Z","updated_at":"2016-10-13T03:39:49Z","closed_at":null,"body":"Make sure you are running the latest version of Home Assistant before reporting an issue.\r\n\r\nYou should only file an issue if you found a bug. Feature and enhancement requests should go in [the Feature Requests section](https://community.home-assistant.io/c/feature-requests) of our community forum:\r\n\r\n**Home Assistant release (`hass --version`):**\r\n0.30.2\r\n\r\n**Python release (`python3 --version`):**\r\n3.5.2\r\n\r\n**Component/platform:**\r\ngroups and device tracker.\r\n\r\n**Description of problem:**\r\nI have two groups of each containing two device_trackers that I then nested into a parent group\r\n\r\nWhen clicking on the Parents group card (by the name) a long repeating list of the child groups is created and then the webpage crashes. \r\n\r\n**Expected:**\r\nI am not sure what the out come should be but I would imagine it should not be crashing.\r\n\r\n**Problem-relevant `configuration.yaml` entries and steps to reproduce:**\r\n```yaml\r\n  device_family:\r\n   name: Family\r\n   view: no\r\n   entities:\r\n    - group.device_ryan\r\n    - group.device_chelsea\r\n  device_ryan:\r\n   name: Ryan\r\n   view: no\r\n   entities:\r\n    - device_tracker.ryans_iphone_wifi\r\n    - device_tracker.ryansiphone\r\n  device_chelsea:\r\n   name: Chelsea\r\n   view: no\r\n   entities:\r\n    - device_tracker.chelseasiphone_wifi\r\n    - device_tracker.chelseasiphone\r\n```\r\n\r\n1. create two groups containing device trackers\r\n2. nest the two groups into a parent group\r\n3. in the gui click on the card name of the parent group\r\n4. wait for page to crash\r\n\r\n\r\n\r\n**Additional info:**\r\n![capture1](https://cloud.githubusercontent.com/assets/22154114/19335907/dd449406-90d4-11e6-8677-89099ab04b41.PNG)\r\n\r\n![capture2](https://cloud.githubusercontent.com/assets/22154114/19335929/0ee60d0a-90d5-11e6-9a86-2d6ec8a3d6f1.PNG)\r\n\r\n![capture3](https://cloud.githubusercontent.com/assets/22154114/19335930/155df422-90d5-11e6-9c18-eea109559458.PNG)\r\n\r\n\r\n\r\n"}}
{"actor":{"display_login":"rbflurry"}}