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NullReferenceException in DerivedInterpreterFactory.RefreshIsCurrent
An unhandled exception occurred and the process was terminated.
Application ID: DefaultDomain
Process ID: 3780
Message: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread.
StackTrace: at System.Threading.Tasks.TaskExceptionHolder.Finalize()
Message: Object reference not set to an instance of an object.
StackTrace: at Microsoft.PythonTools.Interpreters.DerivedInterpreterFactory.RefreshIsCurrent()