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Hacking with macOS, Project 10, changing units with OpenWeatherMaps API

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I can't get the units selector to work. By default OWM uses kelvin. In order to get imperial I had to add "&units=imperial" to the dataSource variable. But that means if I click on Metric it errors. I tried correcting this by adding: let units = defaults.integer(forKey: "units") then changing "&units=imperial" to "&units=(units)" but Metric still errors and Imperial shows Kelvin instead any ideas?


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