Version-Release number of selected component:
rpmconf-1.0.19-3.fc28

Additional info:
reporter:       libreport-2.9.5
cmdline:        /usr/bin/python3 /usr/sbin/rpmconf -a -fmeld
crash_function: check_call
exception_type: subprocess.CalledProcessError
executable:     /usr/sbin/rpmconf
interpreter:    python3-3.6.6-1.fc28.x86_64
kernel:         4.17.18-200.fc28.x86_64
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
subprocess.py:291:check_call:subprocess.CalledProcessError: Command '['/usr/bin/meld', '/etc/ssh/sshd_config', '/etc/ssh/sshd_config.rpmnew']' returned non-zero exit status 1.

Traceback (most recent call last):
  File "/usr/sbin/rpmconf", line 80, in <module>
    main()
  File "/usr/sbin/rpmconf", line 71, in main
    rconf.run()
  File "/usr/lib/python3.6/site-packages/rpmconf/rpmconf.py", line 96, in run
    tested_files += self._handle_package(pkg_hdr)
  File "/usr/lib/python3.6/site-packages/rpmconf/rpmconf.py", line 310, in _handle_package
    tmp.format(conf_file, "rpmnew"))
  File "/usr/lib/python3.6/site-packages/rpmconf/rpmconf.py", line 368, in _handle_rpmnew
    self._merge_conf_files(conf_file, other_file)
  File "/usr/lib/python3.6/site-packages/rpmconf/rpmconf.py", line 263, in _merge_conf_files
    conf_file, other_file])
  File "/usr/lib64/python3.6/subprocess.py", line 291, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['/usr/bin/meld', '/etc/ssh/sshd_config', '/etc/ssh/sshd_config.rpmnew']' returned non-zero exit status 1.

Local variables in innermost frame:
cmd: ['/usr/bin/meld', '/etc/ssh/sshd_config', '/etc/ssh/sshd_config.rpmnew']
retcode: 1
kwargs: {}
popenargs: (['/usr/bin/meld', '/etc/ssh/sshd_config', '/etc/ssh/sshd_config.rpmnew'],)