{"action":"created","issue":{"url":"https://api.github.com/repos/psychopy/psychopy/issues/1515","repository_url":"https://api.github.com/repos/psychopy/psychopy","labels_url":"https://api.github.com/repos/psychopy/psychopy/issues/1515/labels{/name}","comments_url":"https://api.github.com/repos/psychopy/psychopy/issues/1515/comments","events_url":"https://api.github.com/repos/psychopy/psychopy/issues/1515/events","html_url":"https://github.com/psychopy/psychopy/issues/1515","id":258242826,"number":1515,"title":"useVersion causing errors in older experiments","user":{"login":"jvcasillas","id":1747068,"avatar_url":"https://avatars3.githubusercontent.com/u/1747068?v=4","gravatar_id":"","url":"https://api.github.com/users/jvcasillas","html_url":"https://github.com/jvcasillas","followers_url":"https://api.github.com/users/jvcasillas/followers","following_url":"https://api.github.com/users/jvcasillas/following{/other_user}","gists_url":"https://api.github.com/users/jvcasillas/gists{/gist_id}","starred_url":"https://api.github.com/users/jvcasillas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jvcasillas/subscriptions","organizations_url":"https://api.github.com/users/jvcasillas/orgs","repos_url":"https://api.github.com/users/jvcasillas/repos","events_url":"https://api.github.com/users/jvcasillas/events{/privacy}","received_events_url":"https://api.github.com/users/jvcasillas/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":18,"created_at":"2017-09-16T16:38:21Z","updated_at":"2017-09-20T17:44:20Z","closed_at":"2017-09-20T17:44:20Z","author_association":"NONE","body":"I posted about this issue [here](https://discourse.psychopy.org/t/useversion-error-in-1-85-3/3065) on the psychopy forum, but I've yet to get a response so I wanted to try my luck here. \r\n\r\n**OS**: Mac OS X\r\n**PsychoPy version**: 1.85.3\r\n**Standard Standalone**?: yes\r\n**What are you trying to achieve**?: I am trying to run my experiment in builder. I get the following error:\r\n\r\n    psychopy.useVersion('latest')\r\n    AttributeError: 'module' object has no attribute 'useVersion'\r\n\r\n**What did you try to make it work**?: Under the Experiment Settings window I have tried changing the “Use PsychoPy Version” setting.\r\n\r\n**What specifically went wrong when you tried that**?: I get the same error. Also, after making any changes to the experiment, I am unable to save. I click on the save icon and nothing happens (i.e. it doesn’t fade as it normally does when the experiment has been saved).\r\n\r\nThe experiment was working fine about a month ago and I do not recall making any changes. If I compile to coder and remove the following line: \r\n\r\n    psychopy.useVersion('latest')\r\n\r\n...everything works as it should. Any ideas?"},"comment":{"url":"https://api.github.com/repos/psychopy/psychopy/issues/comments/330927597","html_url":"https://github.com/psychopy/psychopy/issues/1515#issuecomment-330927597","issue_url":"https://api.github.com/repos/psychopy/psychopy/issues/1515","id":330927597,"user":{"login":"peircej","id":380582,"avatar_url":"https://avatars2.githubusercontent.com/u/380582?v=4","gravatar_id":"","url":"https://api.github.com/users/peircej","html_url":"https://github.com/peircej","followers_url":"https://api.github.com/users/peircej/followers","following_url":"https://api.github.com/users/peircej/following{/other_user}","gists_url":"https://api.github.com/users/peircej/gists{/gist_id}","starred_url":"https://api.github.com/users/peircej/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/peircej/subscriptions","organizations_url":"https://api.github.com/users/peircej/orgs","repos_url":"https://api.github.com/users/peircej/repos","events_url":"https://api.github.com/users/peircej/events{/privacy}","received_events_url":"https://api.github.com/users/peircej/received_events","type":"User","site_admin":false},"created_at":"2017-09-20T17:44:20Z","updated_at":"2017-09-20T17:44:20Z","author_association":"OWNER","body":"Probably yes, we should close this. Certainly the bug in the original post is fixed in the master branch.\r\nThe potential issue is still the `\"{}\".format(param.val)` part that you found. I was surprised that was a problem because I was hoping this was a good solution in both versions. If you're right about it then this might well crop up again in 1.86 (which currently uses that syntax in several places)."}}
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