{"action":"opened","issue":{"url":"https://api.github.com/repos/kivy/kivy-designer/issues/216","repository_url":"https://api.github.com/repos/kivy/kivy-designer","labels_url":"https://api.github.com/repos/kivy/kivy-designer/issues/216/labels{/name}","comments_url":"https://api.github.com/repos/kivy/kivy-designer/issues/216/comments","events_url":"https://api.github.com/repos/kivy/kivy-designer/issues/216/events","html_url":"https://github.com/kivy/kivy-designer/issues/216","id":153696701,"number":216,"title":"bug","user":{"login":"AriellaJ","id":19143295,"avatar_url":"https://avatars.githubusercontent.com/u/19143295?v=3","gravatar_id":"","url":"https://api.github.com/users/AriellaJ","html_url":"https://github.com/AriellaJ","followers_url":"https://api.github.com/users/AriellaJ/followers","following_url":"https://api.github.com/users/AriellaJ/following{/other_user}","gists_url":"https://api.github.com/users/AriellaJ/gists{/gist_id}","starred_url":"https://api.github.com/users/AriellaJ/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AriellaJ/subscriptions","organizations_url":"https://api.github.com/users/AriellaJ/orgs","repos_url":"https://api.github.com/users/AriellaJ/repos","events_url":"https://api.github.com/users/AriellaJ/events{/privacy}","received_events_url":"https://api.github.com/users/AriellaJ/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-05-09T03:22:32Z","updated_at":"2016-05-09T03:22:32Z","closed_at":null,"body":"## Environment Info\r\n\r\nkivy: 1.9.1\r\npygments: 2.1.3\r\ndocutils: 0.12\r\nwatchdog: 0.8.3\r\njedi: 0.9.0\r\ngitpython: 2.0.2\r\nsix: 1.10.0\r\nkivy-garden: 0.1.4\r\n\r\nPlatform: Windows-7-6.1.7601-SP1\r\nPython: 2.7.11\r\n\r\n## Traceback\r\n\r\nTraceback (most recent call last):\r\n  File \"C:\\Python27\\lib\\site-packages\\kivy\\core\\window\\window_sdl2.py\", line 619, in mainloop\r\n    self._mainloop()\r\n  File \"C:\\Python27\\lib\\site-packages\\kivy\\core\\window\\window_sdl2.py\", line 362, in _mainloop\r\n    EventLoop.idle()\r\n  File \"C:\\Python27\\lib\\site-packages\\kivy\\base.py\", line 327, in idle\r\n    Clock.tick()\r\n  File \"C:\\Python27\\lib\\site-packages\\kivy\\clock.py\", line 515, in tick\r\n    self._process_events()\r\n  File \"C:\\Python27\\lib\\site-packages\\kivy\\clock.py\", line 647, in _process_events\r\n    event.tick(self._last_tick, remove)\r\n  File \"C:\\Python27\\lib\\site-packages\\kivy\\clock.py\", line 406, in tick\r\n    ret = callback(self._dt)\r\n  File \"C:\\Python27\\Scripts\\designer\\nodetree.py\", line 109, in _refresh\r\n    self._clear_tree(self.tree, self.tree.root)\r\n  File \"C:\\Python27\\Scripts\\designer\\nodetree.py\", line 102, in _clear_tree\r\n    self._clear_tree(tree, n)\r\n  File \"C:\\Python27\\Scripts\\designer\\nodetree.py\", line 102, in _clear_tree\r\n    self._clear_tree(tree, n)\r\n  File \"C:\\Python27\\Scripts\\designer\\nodetree.py\", line 102, in _clear_tree\r\n    self._clear_tree(tree, n)\r\n  File \"C:\\Python27\\Scripts\\designer\\nodetree.py\", lin"}}