python selenium very expert developer to do simple fix

we require python 3.6 selenium very expert developer to do simple fix in our desktop automatic trading application . maximum budget 30 $ time line : 1 day Ourr financial terms : Milestone will not be created until the job is done , and you can give just the exe file to test until the milestone is created , after milestone created you will have to deliver the source code with the fixes ward should be accepted from the start because the deal should be officially on freelancer , we done all our previous projects with the same way and it's not negotiable if you agree please bid , We are so clear from the begin . thank you