BindEx Key error

[bifunctor]

Hi, I am using windows 7 and am getting a strange key error error when running the bindEx.nim test. This is the error:

c:\Users\Obr\Desktop\nim_tests\bindEx.nim(48) my_test
C:\Users\Obr\.nimble\pkgs\webview-0.1.0\webview.nim(179) run
C:\Users\Obr\.nimble\pkgs\webview-0.1.0\webview.nim(127) generalDispatchProc
C:\Users\Obr\Documents\nim-0.20.0\lib\pure\collections\tables.nim(857) []
C:\Users\Obr\Documents\nim-0.20.0\lib\pure\collections\tables.nim(263) []
Error: unhandled exception: key not found: 0 [KeyError]
Error: execution of an external program failed: 'c:\Users\Obr\Desktop\nim_tests\bindEx.exe '