generate-churning-bundle: fix script for python3 (on stable)
As pointed by @mharbison72 on !746 (merged), the fix itself should be on stable. I kept !746 (merged) open as I need it merged in default.
As pointed by @mharbison72 on !746 (merged), the fix itself should be on stable. I kept !746 (merged) open as I need it merged in default.