[issue39367] readline module core dumps Python 3.8.1 when calling exit()

New submission from Horace Stoica : Built Python 3.8.1 from source on Fedora 30: kernel: 5.1.8-300.fc30.x86_64 Python 3.8.1 (default, Jan 15 2020, 08:49:34) [GCC 9.2.1 20190827 (Red Hat 9.2.1-1)] on linux Installed the readline module as the arrows do not work when running Python

[issue39367] readline module core dumps Python 3.8.1 when calling exit()

Horace Stoica added the comment: A big "thank you" to everyone, I installed readline-develop and rebuilt from source, and now the problem is fixed. The reason I am building from source is that Fedora 30 provides Python 3.7.3 and I wanted to try out the new features (like the walru

[issue39367] readline module core dumps Python 3.8.1 when calling exit()

Horace Stoica added the comment: Tried dnf install python38 and it works. Thank you! -- ___ Python tracker <https://bugs.python.org/issue39367> ___ ___ Pytho

[issue34140] Possible multiprocessing deadlock when placing too many objects in Queue()

New submission from Horace Stoica : I am trying to use the multiprocessing module for a simulation on a spherical lattice, but the process hangs when the lattice is too large. In the file IssuesWithQueueMultiProcessing.py, the method createLattice(), use either "return(I4)" for