Comment # 1 on bug 1162982 from Stakanov Schufter

Still the case as of today:
## Versions
- OS: Linux
- GTK Version: 3.24.29
- PyGObject Version: 3.40.1
- GLib Version : 2.68.0
- python-nbxmpp Version: 1.0.2
- Gajim Version: 1.2.2

## Traceback
```
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/gajim/plugins/pluginmanager.py", line
557, in activate_plugin
    plugin.activate()
  File "/usr/lib/python3.8/site-packages/gajim/plugins/helpers.py", line 109,
in wrapper
    result = f(*args, **kwargs)
  File "/home/entropy/.local/share/gajim/plugins/whiteboard/plugin.py", line
95, in activate
    raise GajimPluginException('python-pygoocanvas is missing!')
gajim.plugins.gajimplugin.GajimPluginException: python-pygoocanvas is missing!

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File
"/usr/lib/python3.8/site-packages/gajim/data/plugins/plugin_installer/plugin_installer.py",
line 210, in _on_download_plugin_finished
    activated = app.plugin_manager.update_plugins(
  File "/usr/lib/python3.8/site-packages/gajim/plugins/pluginmanager.py", line
275, in update_plugins
    self.add_plugin(plugin, activate=True)
  File "/usr/lib/python3.8/site-packages/gajim/plugins/pluginmanager.py", line
307, in add_plugin
    self.activate_plugin(plugin_obj)
  File "/usr/lib/python3.8/site-packages/gajim/plugins/pluginmanager.py", line
560, in activate_plugin
    raise GajimPluginActivateException(str(e))
gajim.plugins.helpers.GajimPluginActivateException: python-pygoocanvas is
missing!

```
## Steps to reproduce the problem
...install whiteboard.