
When (import) encounters anything but a HySymbol or HyList, raise an exception, as that is not valid in Hy. Previously, anything other than a HySymbol or HyList was simply ignored, turning that particular import into a no-op, which was both wrong and confusing. Reported-by: Richard Parsons <richard.lee.parsons@gmail.com> Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>