Traceback (most recent call last):


 "/home/[...]/pyqtgraph/pyqtgraph/flowchart/Flowchart.py", line 893, in selectionChanged

self.ctrl.select(n)


 "/home/[...]/pyqtgraph/pyqtgraph/flowchart/Flowchart.py", line 763, in select

item = self.items[node]
KeyError: <Node Input @7f28bade51f8>

Traceback (most recent call last):

 "C:\ProgramData\Anaconda3\lib\site-packages\spyder\plugins\plots\widgets\figurebrowser.py", line 421, in _handle_new_figure
self.thumbnails_sb.add_thumbnail(fig, fmt)

 "C:\ProgramData\Anaconda3\lib\site-packages\spyder\plugins\plots\widgets\figurebrowser.py", line 866, in add_thumbnail
self.set_current_thumbnail(thumbnail)

 "C:\ProgramData\Anaconda3\lib\site-packages\spyder\plugins\plots\widgets\figurebrowser.py", line 942, in set_current_thumbnail
thumbnail.highlight_canvas(thumbnail == self.current_thumbnail)

 "C:\ProgramData\Anaconda3\lib\site-packages\spyder\plugins\plots\widgets\figurebrowser.py", line 1035, in highlight_canvas
qdarkstyle.palette.DarkPalette.COLOR_SELECTION_LIGHTAttributeError: module 'qdarkstyle.palette' has no attribute 'DarkPalette'