/usr/bin/spyder:11:QObject::parent:QWidget::parentWidget:QWidget::isAncestorOf:meth_QWidget_isAncestorOf:call_function

The Ubuntu Error Tracker has been receiving reports about a problem regarding spyder. This problem was most recently seen with package version 3.1.4+dfsg1-1, the problem page at https://errors.ubuntu.com/problem/62d88e460243c72fda7ffe7456953ee3ee453375 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/.