if diag["message"] !~ "^undefined name" | continue | endif
let m = diag["message"][strridx(diag["message"][:-2], "'")+1:-2]
if len(m) == 0 || !has_key(imports, m) | continue | endif
if diag["message"] !~ "^undefined name" | continue | endif
let m = diag["message"][strridx(diag["message"][:-2], "'")+1:-2]
if len(m) == 0 || !has_key(imports, m) | continue | endif