/usr/lib/python3/dist-packages/Onboard/LayoutLoaderSVG.py:447: SyntaxWarning: 'str' object is not callable; perhaps you missed a comma? raise Exceptions.LayoutFileError("Unrecognized modifier %s in" \

[Norbert]

Steps to reproduce:
1. Install or reinstall Onboard with

    sudo apt-get install --reinstall onboard onboard-common onboard-data

Expected results:
* no warnings

Actual results:
* the following warning is shown -

```
$ sudo apt-get install --reinstall onboard onboard-common onboard-data
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
0 upgraded, 0 newly installed, 3 reinstalled, 0 to remove and 0 not upgraded.
Need to get 5 217 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu jammy/universe amd64 onboard-common all 1.4.1-5build4 [595 kB]
Get:2 http://archive.ubuntu.com/ubuntu jammy/universe amd64 onboard amd64 1.4.1-5build4 [380 kB]
Get:3 http://archive.ubuntu.com/ubuntu jammy/universe amd64 onboard-data all 1.4.1-5build4 [4 242 kB]
Fetched 5 217 kB in 2s (2 938 kB/s)
(Reading database ... 243599 files and directories currently installed.)
Preparing to unpack .../onboard-common_1.4.1-5build4_all.deb ...
Unpacking onboard-common (1.4.1-5build4) over (1.4.1-5build4) ...
Preparing to unpack .../onboard_1.4.1-5build4_amd64.deb ...
Unpacking onboard (1.4.1-5build4) over (1.4.1-5build4) ...
Preparing to unpack .../onboard-data_1.4.1-5build4_all.deb ...
Unpacking onboard-data (1.4.1-5build4) over (1.4.1-5build4) ...
Setting up onboard-common (1.4.1-5build4) ...
Setting up onboard (1.4.1-5build4) ...
/usr/lib/python3/dist-packages/Onboard/LayoutLoaderSVG.py:447: SyntaxWarning: 'str' object is not callable; perhaps you missed a comma?
  raise Exceptions.LayoutFileError("Unrecognized modifier %s in" \
Processing triggers for mailcap (3.70ubuntu1) ...
Processing triggers for bamfdaemon (0.5.5+21.10.20210710-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for desktop-file-utils (0.26-1ubuntu2) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...
Processing triggers for gnome-menus (3.36.0-1ubuntu2) ...
Processing triggers for libglib2.0-0:amd64 (2.68.4-1ubuntu1) ...
Processing triggers for man-db (2.9.4-2build1) ...
Setting up onboard-data (1.4.1-5build4) ...

```

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: onboard 1.4.1-5build4
ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14
Uname: Linux 5.13.0-19-generic x86_64
ApportVersion: 2.20.11-0ubuntu70
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: MATE
Date: Tue Oct 26 01:08:47 2021
InstallationDate: Installed on 2021-10-24 (1 days ago)
InstallationMedia: Ubuntu-MATE 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20211024)
SourcePackage: onboard
UpgradeStatus: No upgrade log present (probably fresh install)

[Jason (jason-pfeil)]

I believe that the patch below will fix the issue:

--- /usr/lib/python3/dist-packages/Onboard/LayoutLoaderSVG.py.orig 2021-12-20 22:34:49.184112471 -0500
+++ /usr/lib/python3/dist-packages/Onboard/LayoutLoaderSVG.py 2021-12-20 22:33:33.374611161 -0500
@@ -445,7 +445,7 @@
             except KeyError as ex:
                 (strerror) = ex
                 raise Exceptions.LayoutFileError("Unrecognized modifier %s in" \
- "definition of %s" (strerror, full_id))
+ "definition of %s".format(strerror, full_id))

         value = attributes.get("action")
         if value:

[Norbert (nrbrtx)]

Please attach patch as file and add "patch" tag.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Leo Chen (chun-leichen)]

Got same error when install Unity on Ubuntu Server 20.04 LTS 32-bit for Raspberry Pi.