Avoid checking selected_obj before it's available

spacetelescope · Jul 30, 2024 · fc30f70 · fc30f70
1 parent a126296
commit fc30f70
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/jdaviz/core/template_mixin.py b/jdaviz/core/template_mixin.py
@@ -2810,7 +2810,7 @@ class DatasetSpectralSubsetValidMixin(VuetifyTemplate, HubListener):
 
     @observe("dataset_selected", "spectral_subset_selected")
     def _check_dataset_spectral_subset_valid(self, event={}, return_ranges=False):
-        if not hasattr(self, 'dataset'):
+        if not hasattr(self, 'dataset') or self.dataset.selected_obj is None:
             # plugin not fully initialized
             return
         if self.spectral_subset_selected == "Entire Spectrum":