At the import a a corpora via API ISTEX, HAL, etc. nothing happens when clicking on the launch button (but the corpora is imported in back-end). Thus the user thing that it has not taken its query and click again resulting in multiple import. A user feedback is necessary here.
![2021-01-12_06-52_launch](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)