Bug 1841460

Description of problem:
I just ran "sudo tracer -ea".

Version-Release number of selected component:
python3-tracer-0.7.3-2.fc32

Additional info:
reporter:       libreport-2.13.1
cgroup:         0::/user.slice/user-1000.slice/user/apps.slice/apps-org.gnome.Terminal.slice/vte-spawn-1ad8cd3d-d0af-42ca-b291-9198b8ed41d2.scope
cmdline:        /usr/bin/python3 /usr/bin/tracer -ea
crash_function: _load_package_info_from_hdr
exception_type: AttributeError
executable:     /usr/bin/tracer
interpreter:    python3-3.8.3-1.fc32.x86_64
kernel:         5.6.14-300.fc32.x86_64
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
rpm.py:201:_load_package_info_from_hdr:AttributeError: 'str' object has no attribute 'decode'

Traceback (most recent call last):
  File "/usr/bin/tracer", line 34, in <module>
    tracer.main.run()
  File "/usr/lib/python3.8/site-packages/tracer/main.py", line 45, in run
    return router.dispatch()
  File "/usr/lib/python3.8/site-packages/tracer/resources/router.py", line 52, in dispatch
    controller = DefaultController(self.args, self.packages)
  File "/usr/lib/python3.8/site-packages/tracer/controllers/default.py", line 62, in __init__
    self.applications = self.tracer.trace_affected(self._user(args.user))
  File "/usr/lib/python3.8/site-packages/tracer/resources/tracer.py", line 126, in trace_affected
    if not self._applications.find('kernel').ignore and self._has_updated_kernel():
  File "/usr/lib/python3.8/site-packages/tracer/resources/tracer.py", line 134, in _has_updated_kernel
    running = System.running_kernel_package()
  File "/usr/lib/python3.8/site-packages/tracer/resources/system.py", line 119, in running_kernel_package
    return System.package_manager().find_package(System.kernel_package_name(), os.uname()[2])
  File "/usr/lib/python3.8/site-packages/tracer/resources/PackageManager.py", line 67, in find_package
    return self.package_managers[0].find_package(pkg_name, search)
  File "/usr/lib/python3.8/site-packages/tracer/packageManagers/rpm.py", line 119, in find_package
    self._load_package_info_from_hdr(package, hdr)
  File "/usr/lib/python3.8/site-packages/tracer/packageManagers/rpm.py", line 201, in _load_package_info_from_hdr
    package.description = hdr[rpm.RPMTAG_SUMMARY].decode()
AttributeError: 'str' object has no attribute 'decode'

Local variables in innermost frame:
self: <tracer.packageManagers.dnf.Dnf object at 0x7f73d5e2d8e0>
package: <Package:kernel>
hdr: <rpm.hdr object at 0x7f73d5f1bd10>