The bootstrap scripts list python3-crypto as a dependency for samba when this is not the case, except for repl_cleartext_pwd.py, the untested prototype that inspired samba-tool user syncpasswords.
Created attachment 15778 [details] patch for Samba 4.12 (cherry-picked from master patch)
(In reply to Andrew Bartlett from comment #1) Pushed to autobuild-v4-12-test.
(In reply to Karolin Seeger from comment #2) Pushed to v4-12-test. Closing out bug report. Thanks!