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The start fails with: 2026-06-03T13:06:45+02:00 python3[693245]: detected unhandled Python exception in '/usr/lib/pgadmin4/pgAdmin4.py' 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: Traceback (most recent call last): 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: File "/usr/lib/pgadmin4/pgAdmin4.py", line 93, in <module> 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: app = create_app() 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: File "/usr/lib/pgadmin4/pgadmin/__init__.py", line 487, in create_app 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: from pgadmin.browser.server_groups.servers.utils import ( 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: delete_adhoc_servers) 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: File "/usr/lib/pgadmin4/pgadmin/browser/__init__.py", line 57, in <module> 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: from pgadmin.utils.master_password import validate_master_password, \ 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: ...<4 lines>... 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: get_master_password_from_master_hook 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: File "/usr/lib/pgadmin4/pgadmin/utils/master_password.py", line 11, in <module> 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: from pgadmin.utils.crypto import encrypt, decrypt 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: File "/usr/lib/pgadmin4/pgadmin/utils/crypto.py", line 19, in <module> 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: from cryptography.hazmat.decrepit.ciphers.modes import CFB8 2026-06-03T13:06:45+02:00 pgadmin4.desktop[693231]: ModuleNotFoundError: No module named 'cryptography.hazmat.decrepit.ciphers.modes' Because cryptography.hazmat.decrepit.ciphers.modes.CFB are only available since cryptography 47. But Fedora 43 comes with 46 Reproducible: Always Steps to Reproduce: Try to start it Actual Results: It crash with "ModuleNotFoundError: No module named 'cryptography.hazmat.decrepit.ciphers.modes'" Expected Results: Working app Additional Information: See: https://cryptography.io/en/latest/hazmat/decrepit/modes/ the needed module was added with version 47 of cryptography. But Fedora 43 comes only with 46.
FEDORA-2026-cdc276b1b2 (pgadmin4-9.15-2.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-cdc276b1b2
The command "dnf update https://kojipkgs.fedoraproject.org//packages/pgadmin4/9.15/2.fc43/x86_64/pgadmin4-9.15-2.fc43.x86_64.rpm https://kojipkgs.fedoraproject.org//packages/pgadmin4/9.15/2.fc43/x86_64/pgadmin4-httpd-9.15-2.fc43.x86_64.rpm" solves the problem for now.
FEDORA-2026-cdc276b1b2 has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-cdc276b1b2` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-cdc276b1b2 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-cdc276b1b2 (pgadmin4-9.15-2.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.
This problem is back in pgadmin4-9.17-1.fc43.x86_64 I see the following in logs: ModuleNotFoundError: No module named 'cryptography.hazmat.decrepit.ciphers.modes'
FEDORA-2026-e9dd8eafd2 (pgadmin4-9.17-2.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-e9dd8eafd2
FEDORA-2026-e9dd8eafd2 has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-e9dd8eafd2` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-e9dd8eafd2 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-e9dd8eafd2 (pgadmin4-9.17-2.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.