[issue34609] Importing certain modules while debugging raises an exception

Antoine Pitrou added the comment: I think pperry nailed it above: > Pdb fails because it is attempting to import the readline module every time > its `trace_dispatch` is called, and the import implementation is not > reentrant in that way. More precisely, _ModuleLock.acquire() in https://g

[issue34609] Importing certain modules while debugging raises an exception

Brett Cannon added the comment: The failure line that Cheryl found in her traceback is at https://github.com/python/cpython/blob/master/Lib/importlib/_bootstrap.py#L101 . Maybe Antoine has an idea since he did a bunch of work on import locking? -- nosy: +pitrou _

[issue34609] Importing certain modules while debugging raises an exception

Terry J. Reedy added the comment: The IDLE issue here is a duplicate of #33065, where the OP said that only step, not go, created the problem. ppperry, thank you for the solution. Cheryl, please open a new issue for the pdb bug with a little more detail and ppperry's comment. -- re

[issue34609] Importing certain modules while debugging raises an exception

ppperry added the comment: The Pdb bug and the IDLE bug are unrelated to each other: Pdb fails because it is attempting to import the readline module every time its `trace_dispatch` is called, and the import implementation is not reentrant in that way. IDLE is crashing because the uni

[issue34609] Importing certain modules while debugging raises an exception

Change by Terry J. Reedy : -- assignee: terry.reedy -> components: -IDLE ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue34609] Importing certain modules while debugging raises an exception

Change by Serhiy Storchaka : -- nosy: +brett.cannon, eric.snow, ncoghlan ___ Python tracker ___ ___ Python-bugs-list mailing list Un

[issue34609] Importing certain modules while debugging raises an exception

Change by Karthikeyan Singaravelan : -- nosy: +xtreak ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https:/

[issue34609] Importing certain modules while debugging raises an exception

Change by Tal Einat : -- title: Importing the certain modules while debugging raises an exception -> Importing certain modules while debugging raises an exception ___ Python tracker _