[issue30719] IDLE: Make PyShell visible upon error.

Change by Terry J. Reedy : -- versions: +Python 3.10 -Python 3.6, Python 3.7 ___ Python tracker ___ ___ Python-bugs-list mailing lis

[issue30719] IDLE: Make PyShell visible upon error.

Terry J. Reedy added the comment: The lift action should only happen in the IDLE GUI process. When I retrace the data flow, I should document it. -- ___ Python tracker ___

[issue30719] IDLE: Make PyShell visible upon error.

New submission from Terry J. Reedy: Spinoff from #10079. "PseudoStderrFile" in PyShell.py brings the shell forward if an error occurs. It should be possible to extract G. Polo's patch for that class from the megapatch. A possible issue is that PseudoStdoutFile and PseudoStderrFile have been c