typeahead-is-open option not working

[glossary95]

hi,
in this formal demo, when I input Letter a in the country of input box. the uib-typeahead will show the popup menu, and when I click some area of the document's blank the popup menu will be closed. And now the input box has the letter a, when I click the input box, I hope the popup menu can show, but it still hide, can't show. who can help me to find out the problem. Thank you very much.

[glossary95]

I am developing web page using angularjs.

[glossary95]

https://stackoverflow.com/questions/40017742/angular-uib-typeahead-typeahead-is-open-not-working

[glossary95]

I found it , #6505, it maybe resolved.

[glossary95]

#6505 , this is for ui-bootstrap-tpls-0.6.0 version, I work on 2.0.1 / 2.5.0 , there is no public method named 'getMatchesAsync' function in uibTypeahead controller. and there is only init function.