This PR updates the RuntimeError that appears when no toolkit can be loaded to include the immediate cause of the failure. The goal is to make debugging CI failures along these lines less painful: the RuntimeError is often caused by some obscure ImportError somewhere down the stack, and with the current code that import error is hidden from view in the CI output.
This PR updates the
RuntimeErrorthat appears when no toolkit can be loaded to include the immediate cause of the failure. The goal is to make debugging CI failures along these lines less painful: theRuntimeErroris often caused by some obscureImportErrorsomewhere down the stack, and with the current code that import error is hidden from view in the CI output.