R plugin, authentisation of google account

Since Google has stopped supporting third-party apps, I now struggle to authorise a Google account for the connection to Google Drive in PyCharm.

If I call the googledrive::drive_auth(), PyCharm opens the pop-up window in RTools Viewer, which is really cool and mostly works great. In this case, though, it lets me type in the username but then fails to let me log in claiming that it is insecure. 

Can it be the solution to force PyCharm to open the pop-up window in the browser instead? How? If not, what could work then?

Thanks!