This issue has already been raised (issue #50, on March 18th by @fansxs). I started a discussion on the same topic, and @lmbelo asked me to raise it as an issue again. The ActivityIndicator.py demo ...
Embarcadero Technologies makes available on its GitHub Libraries that allow Python developers to use the Delphi language while coding. And the opposite is also possible: developing in Delphi and using ...
Seems that there is an install problem on Delphi Rio (10.3.1) as Vcl.DBGrids.TDBGrid do not own any ScaleValue method. Any clue or Sydney+ is mandatory to use DelphiVCL4Python ?