add args

jdaviz/configs/cubeviz/plugins/spectral_extraction/spectral_extraction.py

@@ -317,17 +317,19 @@ def _update_mark_scale(self, *args):
 
     def _on_gloabl_display_unit_changed(self, msg={}):
 
-
         if msg.axis == 'spectral_y':
             self.spectrum_y_units = str(msg.unit)
 
+        # a 'flux' and 'sb' message should be recieved back to back from
+        # the unit conversion plugin, so don't need to sync them immediatley
+        # within each message recieved
         if msg.axis == 'flux':
             self.flux_unit = str(msg.unit)
         if msg.axis == 'sb':
             self.sb_unit = str(msg.unit)
 
     @observe('function_selected')
-    def _update_units_on_function_selection(self):
+    def _update_units_on_function_selection(self, *args):
 
         if self.function_selected.lower() == 'sum':
             self.results_units = self.flux_unit