EmitterGroup object has no attribute contrast_limits errors #259
Description
With the latest napari-matplotlib and napari, I'm seeing some odd errors while the histogram is open: AttributeError: 'EmitterGroup' object has no attribute 'contrast_limits'. This error doesn't appear when running the same commands below without the histogram open.
To reproduce
- File > Open Sample > napari builtins > Cells (3D + 2Ch)
- Plugins > napari matplotlib > Histogram
- Open napari python console
- Run commands:
nuclei = viewer.layers["nuclei"].data
mask = nuclei > 8266
viewer.add_labels(mask)
Error
File ~\anaconda3\envs\napari-env-matplot-testing\lib\site-packages\napari_matplotlib\histogram.py:59, in HistogramWidget.on_update_layers(self)
57 super().on_update_layers()
58 for layer in self.viewer.layers:
---> 59 layer.events.contrast_limits.connect(self._update_contrast_lims)
File ~\anaconda3\envs\napari-env-matplot-testing\lib\site-packages\napari\utils\events\event.py:978, in EmitterGroup.__getattr__(self, name)
977 def __getattr__(self, name) -> EventEmitter:
--> 978 return object.__getattribute__(self, name)
AttributeError: 'EmitterGroup' object has no attribute 'contrast_limits'