Untitled

parsexml.nim(225)        open
lexbase.nim(147)         open
system.nim(3781)         failedAssertImpl
system.nim(3774)         raiseAssert
system.nim(3059)         sysFatal
Error: unhandled exception: C:\Users\foo\Documents\Nim\lib\pure\lexbase.nim(147, 9) `input != nil`  [AssertionError]