for val, strn in level:
TypeError: cannot unpack non-iterable int object
Traceback (most recent call last):
File "/home/jure/.local/share/virtualenvs/serial-plotting-gui-dWOiQ7Th/lib/python3.10/site-packages/pyqtgraph/graphicsItems/AxisItem.py", line 608, in paint
specs = self.generateDrawSpecs(painter)
File "/home/jure/.local/share/virtualenvs/serial-plotting-gui-dWOiQ7Th/lib/python3.10/site-packages/pyqtgraph/graphicsItems/AxisItem.py", line 936, in generateDrawSpecs