Description of problem:
I think it looks like it's missing a dependency on libhandy somehow?

Version-Release number of selected component:
cozy-1.1.2-1.fc34

Additional info:
reporter:       libreport-2.15.2
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/app-com.github.geigi.cozy-948f5a662356425e959a7c10dd3101c9.scope
cmdline:        /usr/bin/python3 /usr/bin/com.github.geigi.cozy
crash_function: require_version
exception_type: ValueError
executable:     /usr/bin/com.github.geigi.cozy
interpreter:    python3-3.9.7-1.fc34.x86_64
kernel:         5.14.9-200.fc34.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
__init__.py:126:require_version:ValueError: Namespace Handy not available

Traceback (most recent call last):
  File "/usr/bin/com.github.geigi.cozy", line 130, in <module>
    from cozy.application import Application
  File "/usr/lib/python3.9/site-packages/cozy/application.py", line 17, in <module>
    gi.require_version('Handy', '1')
  File "/usr/lib64/python3.9/site-packages/gi/__init__.py", line 126, in require_version
    raise ValueError('Namespace %s not available' % namespace)
ValueError: Namespace Handy not available

Local variables in innermost frame:
namespace: 'Handy'
version: '1'
repository: <gi.Repository object at 0x7fed85e21bb0>
available_versions: []