Pitivi crashes with certain mouse themes active
Flatpak version from flathub, changing the mouse theme fixes it.
Gdk-Message: 21:21:44.847: Unable to load tcross from the cursor theme
Traceback (most recent call last):
File "/app/bin/pitivi", line 168, in <module>
_run_pitivi()
File "/app/bin/pitivi", line 145, in _run_pitivi
from pitivi import application
File "/app/lib/pitivi/python/pitivi/application.py", line 34, in <module>
from pitivi.mainwindow import MainWindow
File "/app/lib/pitivi/python/pitivi/mainwindow.py", line 47, in <module>
from pitivi.timeline.timeline import TimelineContainer
File "/app/lib/pitivi/python/pitivi/timeline/timeline.py", line 35, in <module>
from pitivi.timeline.elements import Clip
File "/app/lib/pitivi/python/pitivi/timeline/elements.py", line 31, in <module>
from matplotlib.backends.backend_gtk3cairo import FigureCanvasGTK3Cairo as FigureCanvas
File "/app/lib/python3.5/site-packages/matplotlib-2.0.2-py3.5-linux-x86_64.egg/matplotlib/backends/backend_gtk3cairo.py", line 6, in <module>
from . import backend_gtk3
File "/app/lib/python3.5/site-packages/matplotlib-2.0.2-py3.5-linux-x86_64.egg/matplotlib/backends/backend_gtk3.py", line 57, in <module>
cursors.SELECT_REGION : Gdk.Cursor.new(Gdk.CursorType.TCROSS),
TypeError: constructor returned NULL