/usr/bin/python3.6:6:_dbus_abort:_dbus_warn_check_failed:dbus_message_new_method_call:SDL_DBus_CallVoidMethodInternal:SDL_DBus_CallVoidMethodOnConnection

The Ubuntu Error Tracker has been receiving reports about a problem regarding python3.6. This problem was most recently seen with package version 3.6.6-1~18.04, the problem page at https://errors.ubuntu.com/problem/363f969eb77ffb69f9f096db2b3848e99f1f140e contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.